piston push rod 活塞推杆
pump push rod 泵推杆
push-rod deluge valve 推杆型雨淋阀
disengaging device push rod 分离机构推杆
push rod assembly 推杆总成
PULL-PUSH ROD 推拉杆
hydraulic push-rod brake 液压推杆制动器
exhaust valve push rod 排气门推杆
valve push rod guide 推杆套管
N a metal rod transmitting the reciprocating motion that operates the valves of an internal-combustion engine having the camshaft in the crankcase 推杆
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