Lift check valve with a spring load can withstand light valve flap, flap valve lift is not high.
升降式止回阀使用一个可承受弹簧载荷的轻量阀瓣，阀瓣的升程不高。
Disc spring load-deformation characteristics can directly affect pneumatic DTH hammer system vibrations.
碟形弹簧的载荷变形关系直接影响潜孔锤系统振动特征。
Adopting spring load device for continuing to load, find the ultimate load that the piston ring be endured.
为了能对活塞环进行连续加载，采用弹簧加载装置，从中找出活塞环所能承受的极限载荷。
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