One-stage or two-stage pumps feature up and down movement of flexible diaphragm during the mechanical stage which induces a flow of gas through the pump head, generating a vacuum.
单级或双级泵是通过橡胶膜片上下往复运动，引导气流通过泵头，形成真空状态。
The method is based on generating a charged corona plasma which is then introduced into a vacuum chamber to deposit the biomaterial onto a biased substrate.
该方法的基础上产生的费用电晕等离子体然后放入真空室引入存款基板上有偏见的生物材料。
The invention discloses a method for generating a shielding gas in the vacuum smelting of metals.
本发明公开了一种生成金属真空冶炼保护气体的方法。
应用推荐