... 多排链 multiple strand chain 复螺纹 multiple thread 蕈状从动件 mushroom cam follower ...
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复螺纹蜗杆 multi-thread worm
复纹螺蚊 multipe thread
铝螺纹复合碳纤维材质 aluminium-threaded carbon fibre composite surfacing
复旋螺纹 thread multiple
锉刀式螺纹修复刀 Thread restorers
交叉来复线内螺纹管 cross-rifle tube
膨胀复合型螺纹桩 Expanded composite screw post
复螺纹
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以上为机器翻译结果，长、整句建议使用 人工翻译 。
就螺纹锁紧环式换热器设备的制造，从材料复验、加工、筒节成形、焊接、探伤及返修等方面作了简单地介绍，重点讲述了螺纹锁紧环式换热器制造中的难点及要注意的问题。
This article describe manufacture process from material reexamine, layout, welding, NDT to do poorly done work over again about steel, especially describe the difficulty and notice item about it.
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