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预热管
oil.proc. preheating tube
tech. economizer bank; preheating pipe; preheating tubes
预热管〈快速焊接焊嘴〉
plast. preheating tube
预热管
: 29 phrases in 7 subjects
Automobiles5
General1
Metallurgy8
Oil / petroleum4
Shipbuilding2
Shooting sport3
Technology6