jack pad

Design for crane of worm gear type used to lift 1.5 ton throttle valve;

1.5吨闸门蜗轮起重器设计

a jack for lifting a motor vehicle by the bumper.

由缓冲器举起机动车辆的起重器。

screw-operated jack.

螺旋装置操纵的起重器。

new mechanical bumper jack

新式机力保险杆起重器

A machine for handling or hoisting heavy weights.

起重机一种处理或升起重物的机器

pendulum grip gear

(起重机的)摆式安全器

A crane is a machine.

起重机是一种机器。

This machine is called a crane.

这种机器叫做起重机。

crane travelling speed limiter

起重机运行速度限制器

A machine for hoisting or moving heavy objects.

起重机上升或移动重物的机器

A large electric magnet on a crane lifts the machine.

装在起重机上的一块大电磁铁将机器提起。

Application of emergency brake to the main hoisting mechanism of ladle crane

紧急制动器在铸造起重机主起升机构上的应用

Application of electric control permanent magnet clutch in hoist outfit of crane

电控永磁离合器在起重机起升机构上的应用

Debuggers would have been useless and would have rebooted the computer if used.

调试器毫无用处并且可能使系统重起。

a button that you press to activate the reset mechanism.

按下去重新起动机器的按钮。

coil and gravity starter

电流线圈重力式起动继电器

It is easier to take a machine to pieces than to put it together again.

拆卸一台机器比重装起来容易。

a cranelike device (usually one of a pair) for suspending or lowering equipment (as a lifeboat).

用来悬挂或降低器材的起重装置。

Fork Lift, Valve,Body Coupling, Bracket.

供应阀门,叉车起重机,耦合器,插座等.