caliber machine guns的意思|示意

Many other nations such as the British, Germans and even Japanese had cannon armament, but the United States mostly stayed with. 50 caliber machine guns, right through to the F-86 Sabre jet.

许多其他国家如英国，德国和日本甚至装备了大炮，但美国多数停留在0.50口径机枪，有权通过的F - 86军刀喷气式飞机。

It was a significant improvement, with a bubble canopy providing much better rear visibility and four 20mm cannon for increased firepower compared to the Hellcat's six 0.50 caliber machine guns.

这是一个重大的改进，以泡沫林冠后方提供更好的可视性和4个20毫米火炮的火力相比增加的Hellcat六个0.50口径机枪。

The jeep is armed with Browning machine guns, both . 30 and . 50 caliber.

吉普车加装了.30和.50两种口径的“博朗宁”重机枪。