输送: deliver; supply; carry; transport; convey; feed; transmit; transfer; transportation; delivery 短语和例子石油通过输油管输送到炼油厂。 the oil is carried to the oil refinery by pipelines.; 输送槽 spout; 输送管 pipel
弹簧: spring; mechanical spring◇弹簧秤spring balance; spring scale; 弹簧床 spring bed; 弹簧刀 spring tool; 弹簧钢 spring steel; 弹簧钢板 steel spring plate; 弹簧减振器 spring absorber; 弹簧铰刀 spring reamer; 弹簧铰链 sprin