The lifting device is a rope and pulley system.
这种起重装置是由缆索和滑轮组成的。
B lifting, the rope not tied hand wheel or valve stem.
b起吊时，绳子不要系在手轮或阀杆上。
In lifting bodies also involves rope, reducer, couplings, electrical and brake the choice.
在起升机构中还涉及到钢丝绳、减速器、联轴器、电动机和制动器的选择等。
In lifting bodies also involves rope, reducer, couplings, electrical and brake the choice.
在起升机构中还涉及到钢丝绳、减速器、联轴器、电动机和制动器的选择等。
应用推荐