副机枪手为机枪手提供目标。
图中为设置在高射机枪架的多管重机枪。
This is a multi-barrel heavy machine gun on an anti-aircraft mount.
但球形塔机枪手梅纳德·史密斯却把自己的降落伞扔到一旁，为两个受伤机员急救，然后用灭火器救火。
But Maynard Smith, the ball-turret gunner, cast aside his own parachute, gave first aid to two wounded crew members, and then tackled the fire with extinguishers.
很少有时间为机枪提供保护措施。
There is rarely time to provide the gun with a protected siting.
该文研究弹性枪架的等效刚度，为机枪系统合理的动力匹配提供必要的力学参数。
This paper studies the equivalent stiffnesses of elastic tripod mount of machinegun to provide the necessary mechanical parameters for reasonable dynamic collocation of the total machinegun system.
机组成员为两名飞行员和两名机枪射手。
Two officers (pilots) and four enlisted (two flight engineers, two aerial gunners) form the crew team.
班机枪改型为较远射程有一个较沉重的枪身。
The squad machine gun variant has a heavier barrel for higher firing range.
班机枪改型为较远射程有一个较沉重的枪身。
The squad machine gun variant has a heavier barrel for higher firing range.
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