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。
2
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；
3
An usable technology of large area intelligent substrate has been developed by using a vacuum box drawing technique.