The pulley over which this rope ran was fastened underneath the lantern in a little iron box, the key to which was kept by the lamp-lighter, and the rope itself was protected by a metal case.
绕绳子的转盘关在灯下面的一只小铁盒里，钥匙由点灯工人保管，绳子在一定的高度内有一根金属管子保护着。
Pulley is the key to open and close the Ji'nan guardrail is not smooth, the use of rolling bearing nylon wheel.
滑轮是济南护栏启闭是不是顺利的关键所在，应运用滚动轴承尼龙轮。
The key component-tightening pulley of the hand-held binding machine is working under the action of the multi-intersection changing forces.
手持式捆扎机中的张紧轮是在多种交变力的综合作用下进行捆扎工作的关键零件。
This paper analyses the structure characteristics of directly turning belt conveyors and gives out the design parameters and layout of the key component-turning pulley.
探讨了直接转弯带式输送机的结构特点，给出了其关键部件转弯滚筒的设计参数和布置方式。
Two ends of the motor shaft of the motor respectively extend to match and fix with an impeller inducer and a belt pulley through a key slot and a key.
此电机的电机轴两端伸出分别同一风叶和一皮带轮通过键槽和键相 配接固定；
Two ends of the motor shaft of the motor respectively extend to match and fix with an impeller inducer and a belt pulley through a key slot and a key.
此电机的电机轴两端伸出分别同一风叶和一皮带轮通过键槽和键相 配接固定；
应用推荐