نمایش نتیجه 1 تا 1 از 1 نتیجه یافت شده برای semiexpendable gun:
n: a perforating gun that consists of a metallic strip OIl which encapsulated shaped charges are mounted. After the gun is fired, the strip is retrieved. See gun-perforate.
n: There has a metal ribben belt in the gun perforator,the belt can recovery after be used.
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