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Die meisten Männer suchen nach anderen Alternativen wie Spielzeug, wenn ihre weiblichen Kollegen Männern nicht helfen können, einen Orgasmus zu erreichen. Obwohl auf dem Markt verschiedene Spielzeuge erhältlich sind, die sowohl Männern als auch Frauen helfen, eine neue Erfahrung der sexuellen Fantasie zu genießen, ist es immer ratsam, heute Sexpuppen in Lebensgröße zu kaufen, um Ihren Spaß zu verdoppeln. Viele Japaner haben sie als perfekten Liebespartner angesehen und ihre Ergebnisse sind wirklich fantastisch.

The pet air compressor is the main part of the air supply device of the bottle blowing machine. It is a device that converts the mechanical energy ...

Dry screw vacuum pump adopts new coatingnApplication of PTFE aerospace grade material in screw vacuum pump.nNew breakthroughs have been made in coa...

Oil free dry screw vacuum pump and its working principlenOil – free dry screw vacuum pump is a high – tech product, which is the renewa...

What is the difference between the price and value of liquid ring vacuum pump?nAt present, the quality of 2bv2061 liquid ring vacuum pump on the ma...

1 introductionVacuum heat treatment is characterized by radiant heating, which is much faster than that of workpiece. On the one hand, because the heat insulati

(1) Austenitic stainless steel① Solid fusion treatment: heat to the solid fusion temperature (1050-1100 ℃), make all carbides and martensite formed by cold wo

What is the difference between carburizing and nitriding? Is it similar to coating or coating?Carburizing and nitriding are chemical methods to infiltrate carbo

Quenching temperature is too high, cooling speed is too fast, cooling time is too long, improper use of coolant and other reasons will lead to cracking of quenc

As the working fluid, the liquid ring vacuum pump uses water or liquid compatible with the gas or steam to be evacuated. This type of pump is desir...

Air compressor in metallurgical industry applicationnMetallurgy industry is mainly divided into steel industry and non-ferrous metal smelting indus...

Electronics industrynUse sensitive high-tech equipment to process and manufacture electronic components. This is a big capital investment for any o...

Product namen2BE single stage liquid ring vacuum pumpnnnMaterialnSS304, SS316L, SS321, etc.nnnStandardnISO，CEnnnFlownUp to 9450 m3 / hnnnVoltag...

One of the most important parts in coal mining is the cutting tooth. The cutting teeth are easy to be worn in the work of shearer, so the cutting teeth must go

1. Heat treatment cooling curveHeat treatment process generally includes three heating, heat preservation, cooling process, the heating is for pearlite to auste

Most of the heat treatment process is a cycle operation, is a collective operation. Therefore, there is an unclear work boundary in the heat treatment process,

Heat treatment refers to the material in the solid state, through the means of heating, insulation and cooling, in order to obtain the expected structure and pe

Application of supporting compressors in paper industrynPapermaking is known as one of the four great inventions in China. Up to now, the modern pa...

What affects efficiency of the air compressor?nWhat affects the efficiency of the air compressor? This problem believes that many people are very c...

Industry is China’s second largest industry, is one of the important material sectors of the national economy, divided into heavy industry an...

The vacuum pump of vacuum conveyor has two kinds of electric and pneumatic, among which there are two kinds of electric roots vacuum pump and liqui...

Why heat treatment of car axle?Half shaft is car rear axle torque and a certain impact of important structures, is one of the main components of transmission po

Post weld heat treatmentThe post-weld heat treatment process shall be specified in the welding or heat treatment process documents and shall be subject to the w

Heavy duty gear has high bearing capacity, high impact force, high safety requirements, good wear resistance, high contact fatigue strength and bending fatigue

The well furnace is mainly composed of outer cover, inner tube, convection tube, burner, bottom stirring circulation fan, strong cooling fan and methanol cracki

1. Reduce the furnace temperature to 820 ~ 850 ℃.2. When the furnace temperature is stable, open the front door.3. Close carbon potential control, methanol and

Metal die casting has the characteristics of high production efficiency, saving raw materials, reducing production cost, good product performance and high preci

Common concepts1. Metal: material with opaque, good metallic luster, thermal and electrical conductivity, and its electrical conductivity decreases with the inc

Surface heat treatment technology can be roughly divided into three categories: overall surface heat treatment, exterior surface heat treatment and chemical sur

1. Principle of aluminum alloy heat treatmentThe heat treatment of aluminum alloy castings is to select a certain heat treatment specification, control the heat