Large-caliber Machine Gun 大口径机枪
large caliber towed gun 大口径牵引火炮
large middle caliber gun 中大口径火炮
However tile plastic cartridge case has been used in some large caliber gun in recent years.
近年来，在某大口径火炮上，试图改用塑料药筒。
In general, more choice of large caliber gun spraying paint, spraying coating used in intermediate caliber gun, small caliber gun with spray paint.
一般来说，喷涂底漆多选用大口径喷枪，喷涂中间涂层时选用中口径喷枪，喷涂面漆时多选用小口径喷枪。
This paper deals with the forming technique of the oblate spherical powder and the feasibility of applying it to the large caliber gun propellant charge with high loading density.
研究了大弧厚球扁药成型工艺及其在大口径火炮高装填密度装药中的应用可行性。
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