The m3 lee and grant tanks , mounting a 75mm fixed gun , had a high silhouette and was difficult to operate in combat with the heavy german pzkpfw mark iv and tiger panzers M3 ‘李’式和‘格兰特’式坦克，装备有75毫米固定主炮，有高大的侧面轮廓，在战斗行动中难以与德国重型的‘马克’ iv型坦克和虎式坦克相匹敌。
Mighty columns of steel rotating on gigantic turrets signify the battleship ' s main bombardment guns : the screen shakes when they fire , and they can hurl giant shells as big as a car for miles inland 庞大的钢柱在炮台上旋转，这是战列舰的主炮：当他们开火的时候屏幕都会震动，然后抛出不能再大的炮弹到几英里远的内陆。
Its mainweapon was a superlaser weapon , although its power was only two - thirdsthat of the main weapon aboard the first death star - it was " merely " powerful enough to crack the crust of a planet rather than destroy itoutright 日蚀级主炮为一门超级激光炮，由于火力只是死星i上装备主炮的2 / 3 ，因而也“只能”足够爆裂一个行星的地表壳，而不是像死星一样完整的摧毁整个行星。
In seven minutes , tracking by radar , washington sent 75 rounds of 16 - inch and 107 rounds of 5 - inch at ranges from 8 , 400 to 12 , 650 yards , scoring at least nine hits with her main battery and about 40 with her 5 - inchers , silencing the enemy battleship in short order 华盛顿号借助雷达的指引，在7分钟内发射了75发406毫米主炮炮弹和107发127毫米副炮炮弹，射程在12650码到8400码之间。据统计，其中至少有9发主炮炮弹和40发副炮炮弹命中目标，敌方战舰的火力被迅速压制。
Still , with eight 15 inch main guns in four turrets , substantial welded - armour protection and designed for a top speed of not less than 29 knots ( she actually achieved a very impressive 30 . 1 knots in trials in the calmer waters of the baltic ) , bismarck was capable of engaging any enemy warship on at least equal terms 除此之外，她拥有的8门15英寸主炮的四座炮塔，结实的焊接装甲和最高为29节的设计速度（她在平静的波罗的海试航时开出了惊人的30 . 1节） ，使“俾斯麦”号能与任何敌舰至少战成平手。
Based on emperiment of " 30mm " armor piercing projectile ' s discarding sabot close to gun , study discarding sabot motion and process , and analysis discarding sabot characterstic , the possibility of disturb on sabot f ^ rm main gun under the disturb field of double gun . 2 ) 本论文研究工作的主要内容有： 1 )从30mm脱壳弹膛口脱壳过程试验，研究30mm脱壳弹出炮口后卡瓣及底托与弹芯的分离过程和分离运动；同时分析30mm脱壳弹的脱壳特性及在双炮干扰场下弹托对主炮干扰的可能性问题。
Russia kv - 1 1942 heavy cast turret tank because warlike vehemence , the kriov factory gave birth to casts the kv - 1 of the quick - fried tower , nameding after the kv - 1 model 1942 heavy cast turret , turret in this kind of foundry contain better bullet - proof features , the armor thickness also comes to 95 mm of , the main firecrackers also changed to pack better types zis - 5s in function 76 . 2 mm artillery 因为战争的激烈，基洛夫工厂kroiv生产了铸造炮塔的kv - 1 ，命名为kv - 1 1942年型重型铸造炮塔，这种铸造炮塔有更好的防弹外型，装甲厚度也达到了95毫米，主炮也换装了性能更好的zis - 5型76 . 2毫米炮。
