机械加工的法兰
Mechanically processed flanges
以上为机器翻译结果，长、整句建议使用 人工翻译 。
该装置实现了压力容器法兰接口在现场进行简单、方便的机械加工及维修。
Using this device, the mechanical processing and fixing of flange sealing surface on the pressure vessels were simply and conveniently implemented on the spot.
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