firing mechanism造句

1、The bomb's firing mechanism is activated by a time-clock.

2、Aim Some questions about the mechanical firing of the firing mechanism in large caliber rotating barrels machinegun are discussed.

3、Featuring a spring piston firing mechanism, the sniper rifle is almost silent when fired.

4、Now I was touching buttons and the firing mechanism of a visitor from perhaps 100 years ago.

5、Featuring a spring piston firing mechanism, the sniper rifle is almost silent when fired which gives a vital advantage to snipers who don't want to give away their position.