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。
The product is used as a component installed on the air suction seed metering device of the precise seeder in the agricultural machinery.
本产品作为农业机械中精密播种机气吸式排种器上安装的部件。
The adjustable suction pot can be used as an air pot, a cupping and a medicinal pot to use, and is a favorable health care therapeutic device for medical personnel and travelers.
可以作为气罐、火罐、水罐、药罐使用，是医疗人员、旅行者的良好保健治疗器具。
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