短语词组短語valve lifter roller pin 氣門挺杆滾子軸銷lifter r pin 頂料銷lifter guide pin 浮陞導料銷;浮生導料筒;浮降導料銷LIFTER EJECTOR PIN 斜頂頂針guide lifter pin 浮陞導料銷lifter r guide pin 浮陞導料銷 返回 lifter pin