The engine, as it cooled itself, sucked in air through the outlet hose, producing suction in the vacuum chamber, and so drawing the plunger down and compressing the spring.
当引擎冷却时，通过出口软管吸入空气，在真空管产生吸气，导致柱塞向下挤压弹簧。
Multi-function Pattern Cutter series HB, is equipped with flat cutting table, vacuum adsorption, automatic paper feeding system . HB Cutter can be used as marker, and engineering drawing, etc.
HB系列多功能纸样切割机，平板台面、真空吸附、自动送纸，可以用来绘制并切割服装唛架、工程图等；
An usable technology of large area intelligent substrate has been developed by using a vacuum box drawing technique.
采用真空盒吸片技术开发了一种实用的智能化衬底技术工艺方法。
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