lever safety valve 杠杆安全阀 ; [机] 杠杆式安全阀
double lever safety valve 双杠杆安全阀
lever and weight safety valve 杠杆重锤式安全阀
safety valve lifting lever 安全阀提升杆 ; 船用安全阀阀提升杆
safety reverse lever 安全回动杆
safety trip lever 安全触摆杆 ; 紧急触摆杆
safety spring lever 安全弹簧杆
weighted lever safety valve 杠杆式安全阀
safety sear lever 不到位保险机
The fuze is the E. German DS-62 (similar to the UZRGM type) with a curved safety lever.
引信是大肠杆菌德国的DS - 62(类似uzrgm型)与弯曲的安全杠杆。
Wind it like a watch with a key that's stored underneath the barrel, and when it's 'fully loaded' use your thumb to pull back the safety lever. Then squeeze the trigger.
用放置在枪管底端的转柄给它像手表一样上发条，当发条“全部上满”之后，用你的大拇指向后拉动枪栓，然后扣动扳机。
Attach a sharp stone to the end of astout piece of wood, and with this lever you can hugely increase thespeed, force, effectiveness and safety with which the axe can bewielded.
将一块带有尖刃的石器和一根强壮的树枝接在一起，利用这根长矛人类可以极大地提高速度、力度、效率和安全性。
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