hook screw meaning in Chinese

带钩螺钉
钩头螺钉

Remove the throat plate , loosen hook screw 6 and adjust the hook
调整旋梭时，请卸下针板，拧松旋梭固定螺丝6 ，然后进行调整。
Problems in using screw - crane in fields and water resources engineering were analysed with examples of engineering project . based on this , a method was presented . by using double - hook screw - crane and connecting two screw - cranes by an intermediate bearing and a gear coupling , the problem of inefficiency in door - closing was solved . the double - hook screw - crane could work synchronously
以具体工程为例，在分析了螺杆启闭机在农田水利工程中应用时存在的问题及原因的基础上，提出采用双吊点螺杆启闭机，用中间轴与齿轮联轴器把2台螺杆启闭机连接起来的方法，成功地解决了单吊点启闭机闭门力不足的问题，实现了双吊点螺杆启闭机工作时的同步