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管道工程 管道系统 输送管线
pipework
detail>>
管道工程,室内管道系统
plumbing
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管道系统;管道输送;管道铺设
piping
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管道,管道系统
tubing
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输送管道
conduit delivery duct feeding duct flow pipe running piping transfer piping...
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主输送管道
main delivery pipe
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管道系统;风管;烟道;管道输送
ducting
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卫生管道工程系统
plumbing system
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管道工程
pipe works pipeline engineering pipework piping and pipeline systems piping work...
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管道工程队
pipe gang
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管道系统
conduit system duct system ducting ductwork lacunar canal system pipage&nbs...
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管道系统图
piping diagram piping drawing
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双管道系统
double duct system
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空气输送管道
airflow pipe
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垃圾输送管道
refuse channel
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奶油输送管道
cream pipeline
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泥浆输送管道
slurry pipelining
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气体输送管道
gas main gas transmission pipeline
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