The forming reason and solving method of stress - corrosion cracking for brazed joint of Band pipe is studied in this paper and compared with copper- copper pipe joint at the same conditions.
本文着重研究了邦迪管钎焊接头应力断裂的形成条件以及解决方法，并比较了铜管-铜管钎焊接头在相同条件下应力断裂情况。
The sulfide type copper is usually in very fine grain, the oxide type copper is in band shape or shapeless.
硫化态铜以众多的微细铜锍颗粒为主，赤铜矿以带状或不定形存在于其他矿物中；
The traveling-wire method employs a reel of copper wire that is slowly fed past the workpiece and functions much the same as a band saw except the wire is used only once.
动丝方法用的是一卷铜丝慢慢绕过工件，其功能必须与带锯一样，不同的是铜丝只能使用一次。
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