... plasticator 塑炼机 plastic-case cartridge 塑壳子弹 plastic-clad optical fiber 塑料包层光纤 ...
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plastic cartridge case 塑料药筒
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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。
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