当气缸垫装在气缸体上，然后装上气缸盖以后，气缸盖螺栓就压紧软金属垫，这样结合处就完全密封了。
When the gasket is placed on the block and the head installed, tightening of the head bolts squeezes the soft metal so that the joint is effectively sealed.
由于门窗设备的压料要确保足够的供气量，这么就能非常好的使用了，这是根底，来实现气缸压紧。
Due to the pressure of the door and window equipment to ensure adequate supply of gas, so it can be a very good use, which is the foundation to achieve the cylinder compression.
本发明属于缝纫机技术，其特征是设计了一个可以通过气缸6控制 来压紧布料的装置。
The invention relates to a device for pressing cloth by the control of an air cylinder 6, belonging to the technical field of sewing machines.
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