push rod cup推杆: push rod; push control rod; ...头: 5点就得动身 have to start before ...闸缸推杆头: eye plate带可旋式推杆头的插床: stomaschine mit schwernkbarem stelkopf vertical shaper杆头: gudgeon; head; tip下载手机词典可随时随地查词查翻译