... gunk方钻杆防磨用油；油泥；管道中清除出来的沉积垢 gunmetals炮铜 gunned泥浆枪冲刺过的 ...
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gunmetals motor carriage 机械化炮车
gunmetals mounting 炮架
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以上来源于: WordNet
N a type of bronze containing copper (88 per cent), tin (8–10 per cent), and zinc (2–4 per cent): used for parts that are subject to wear or to corrosion, esp by sea water 炮合金
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