目前，市场上滑轮的材质有塑料滑轮、金属滑轮和玻璃纤维滑轮3种。
Current, the material of the pulley on the market has plastic pulley, metal pulley and fibre glass block character 3 kinds.
控制用线缆系统在全套检查的时候，导缆器，气压密封件，金属扣眼，象限仪，鼓，和滑轮等处，都应该在每个方向都进行偏转到头的移位测试。
The control cable system must be displaced full travel in each direction for complete inspection at fairleads, air pressure seals, grommets, quadrants, drums, and over pulleys.
工人把金属丝穿在滑轮上。
应用推荐