branch pipe welded directly to the run pipe
copper pipe and aluminum pipe
welding part of copper pipe and low corbon steel pipe
Geyser
间歇
喷泉
热水
间歇喷泉
间歇泉
间歇〔喷〕泉
热水器
魔带
间歇自喷井
热水锅炉
浴水快热器
(Slight) stretch pipe reducing mill
1Cr18Ni9T stainless steel pipe