您要查找的是不是：
- twin pulley block 双滑轮组
- The lower part of a pulley block. 滑车组较低的一部分
- A pulley block is needed to lift that heavy machine . 要吊起那么重的机器需要使用一个滑轮组。
- The individual strands of each cable were hung in pulley blocks. 每根钢索的单股钢丝束悬挂在滑车组上。
- To demonstrate the proposed framework, the design of the compensation of pulley block in derricking mechanism was presented. 通过对起重机变幅机构的补偿滑轮组系统的稳健优化设计，给出了具体的分析求解过程。
- The mentioned method is applied to design of pulley block compensation in luffing mechanism and the results show that the method is feasible and effective. 在滑轮组补偿变幅机构稳健优化设计中加以运用，结果表明该方法是有效的和可行的。
- My Views on Teaching Pulley Block 浅谈滑轮组的教学
- A Simple Method to Design Pulley Block 一种设计滑轮组的简便方法
- Control system for lifting pulley block 四、起吊滑轮组控制系统
- The mother with twin babies are always on the run. 这个有双胞胎婴儿的妈妈总是忙忙碌碌的。
- Dynamic rope for adjusting pulley block 调整滑轮组用跑绳
- Dynamic rope for lifting pulley block 起吊滑轮组跑绳
- The twin brothers are far apart in character. 那两个孪生兄弟的性格相差很远。
- Max. Extension length of lifting pulley block 起升滑轮组的最大伸展长度
- You must be muddling me up with my twin brother. 你一定是把我看成我的孪生兄弟了。
- Nothing can set the twin brothers at variance. 没有什么事能使这对双胞胎兄弟吵起来。
- He is a great guy, a chip off the old block. 他是一位好人，就像他父亲一样。
- How much do you know about the works of Mark Twin. 马克。吐温写的作品你知道多少？
- Force-saving coefficient of pulley block 滑轮组的省力系数
- Means of compensation with pulley block 滑轮组补偿法
