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pipe line | |||
ducting system | |||
conduit system | |||
tubing | |||
pipeline system | |||
piping; pipage; pipe system; pipe network | |||
ducting; pipework; pipe work | |||
pipe-in system | |||
duct assembly; tube circuit | |||
ductwork | |||
duck work; duct work; pipework system; system of pipes | |||
duct system | |||
piping system | |||
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conduit system | |||
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conduit system |
管道 系统: 148 phrases in 26 subjects |