... 电子配对法 electron pairing method 配对法兰 companion flange; companion-flange 随机配对法 random pair method ...
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碳钢配对法兰 Carbon steel mated flanges ; carbon steel matching flange ; Carbon steel flange pair
须带配对法兰及紧固件 With mated flanges and fasteners
配对反法兰 Paired against the flange ; Paired anti-flange
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