The screw air compressor airintakevalve has reasonable structure and reliable connection, is uneasy to leak, and has long service life and good performance.
本实 用新型结构合理，连接可靠，不易泄露，使用寿命长，性能好。
2
This problem is made worse by the small amount of air that leaks into the cylinders around the rotary intakevalve.
这个问题是加剧了少量的空气泄漏进入气缸的进气阀旋转。
3
During the intake or admission stroke, the piston moves downward as a charge of combustible fuel and air is admitted into the cylinder through the open intakevalve.