safety hook的例句大全

all kinds of safety hook

各种保险钩

a new type of safety hook against dropping of sucker rod

新型抽油杆防脱安全吊钩

One end of the draw rod fixedly connected with the outer end of the telescopic rod is connected with a safety draw hook.

所述的伸缩杆的外端固定连接有牵杆，在该牵杆的端部连接有保险牵引钩。

in the open mold in place, the pneumatic safety insert hook under direction, can not be mode-locked.

在开模到位后，气动安全钩插入导向杆，无法锁模。

when the boat reach its right position , reset the release hook in the boat, insert the safety pin.

待到完全归位后，在艇内回复脱钩装置，插上安全销。

The writer verifies that the designed safety coefficient of wire line should be bigger than 3 while the hook has the speed of 0.4-0.55 m/ sec at hook load rating, corresponding to the drawworks operation at the third speed and air clutch operation at rated torque;

证实额定大钩钩载时，大钩速度为0.4～0.55米/秒，相当于绞车在Ⅲ档工作，气胎离合器在额定扭矩工作，此时钢丝绳设计安全系数大于3。

Riggers and signal persons also need standard training and testing to ensure safety under the hook.

装配工人和发信号的人也需要标准的培训和测试,以确保安全下钩.

Objective to explore the safety of iris hook in the vitrectomy operation of eyes with small pupil.

目的探讨虹膜拉钩在小瞳孔玻璃体手术中应用的安全性。