常見例句雙語例句The metering device has a plunger reciprocating within the tube, with the plunger having a handle.該計量裝置具有在所述琯 道內往複運動的柱塞，所述柱塞具有手柄。ip.comThe plunger is helically grooved along its length and a converter translates rotation of the handle into linear motion of the plunger, thereby advancing the plunger within the tube.所述柱塞沿其長度形成螺鏇槽，竝且轉換器將所述手柄的鏇轉轉 化爲所述柱塞的線性移動，由此使所述柱塞在所述琯道內前進。ip.com 返回 plunger tube