The braking characteristic of the brake system of rig drawworks is a basis of design and use of brakeapparatus.
钻机绞车刹车系统的制动特性是合理设计和使用刹车装置的理论基础。
2
Meanwhile an emergency brakeapparatus on two axles are also presented, on condition that the foot brake becomes out of control, this apparatus enables the middle and rear wheels tob...
还介绍了双轴应急制动装置，它能在脚制动失控的情况下使车辆中、后轴车轮产生充气制动。
3
If the arc generated during the make or brake of electrodes of spark-test apparatus was regarded as a non-linear resistance, non-explosion assessing intrinsic safety method can be established.