您要查找的是不是：
- The dual variable-diameter wheel pumping unit is comprised of crank arm, pitman, swing link, pumping jack, flexible connecting fittings, sheave pulley and guide wheel. 双变径天轮式抽油机由曲柄、连杆、摆杆、机架、柔性连接件、天轮和导向轮等组成。
- steel sheave pulley block 钢轮滑车
- double sheave pulley 双轮滑车
- single sheave pulley block 单轮滑车
- Our flag is raised to the top of a pole by a rope and two pulley. 我们的旗帜被用一根绳子和两个滑轮升到了竿顶。
- He drew a sheaf of papers from his breast pocket. 他从上衣口袋里抽出一札文件。
- sheave pulley 滑车
- The speaker had a sheaf of notes on the desk in front of him. 演讲者在他面前的桌子上放着一叠笔记。
- The lifting device is a system of rope and pulley. 这种起重装置是由缆索和滑轮组成的。
- They reeved the rope through the pulley. 他们把绳索穿过滑轮。
- The lower part of a pulley block. 滑车组较低的一部分
- The belt started wrapping up on the tractor pulley. 皮带开始绕在拖拉机的皮带轮上。
- He brandished a sheaf of documents. 他手里挥舞着一扎文件。
- Permitting rotation, as a pulley or pivot. 允许旋转的，如滑车或枢轴
- The pulley of the clothes line jumped the track and Mother's washing fell down. 晾衣服绳子的滑轮脱绳了，妈妈洗的衣服掉了下来。
- Our company produCes hook range,lifting sheave. 我公司生产的吊钩总成，起重滑车。
- Put the V belt on the pulley of the sewing machine. 首先把V形皮带挂到缝纫机皮带轮上。
- He searched for and found a sheaf of papers in cabinet. 他在柜中寻找到一扎文件。
- Pulley bearings are frictionless. 滑轮轴承是无摩擦的。
- He waved a sheaf of documents at me. 他手拿一叠文件朝我晃了晃。
