... 人孔 H; hatch; man door; man hole; M.H.; manway 人孔法兰 manhole flange 人孔盖 manhole cover; m.c. ...
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manhole with butt welded flange 对焊法兰人孔 ; 对于焊法兰人孔
manhole with common welded flange 平焊法兰人孔
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The machine equips with asepsis respirator, CIP cleaning spray tip, sight glass, and flange quick open manhole.
设备配备无菌空气呼吸器，CIP清洗喷头、视镜、法兰式快开人孔等装置。
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