plate_spring_assembly_有道手机词典

1.This kind of valve is comprised of piston assembly, spring, valve plate assembly and center pipe.
这种阀主要由活塞总成、弹簧、阀板总成及中心管等组成。
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2.The two primary types of pressure plate assemblies are coil spring assembly and diaphragm spring .
有两个基本类型的压盘是螺旋弹簧组压盘和膜片弹簧压盘。
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