基本解释脱模同根派生 英汉例句Aporia of Assembling the Rotary Liftout Attachment in the Tailstock of NC Spinning Machine 数控旋压机尾座旋转顶出轴装配难点分析liftout crucible type furnace 坑式坩埚炉liftout plunger 提升柱塞liftout attachment 顶出装置,喷射器liftout bolt 顶出螺栓