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管道敷设 管道铺设 安装管道
pipelaying
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管道铺设
laying of pipes pipe laying pipeline laying
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管道铺设;铺管
pipelaying
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管道铺设船
laying ship
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管道敷设
laying of line laying of pipe line pipe laying piping
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管道敷设机
pipe layer pipe laying machine
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铺设管道
laying pipes pipe laying
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敷设管道
roughing-in tubing
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管道输送;管道敷设
pipelining
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管道铺设系统
pipe laying system
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地下管道敷设
underground pipe laying
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管道敷设工程
ducting works pipe laying works pipeline spread
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安装管道
tubing
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敷设管道工程
pipe laying works
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敷设管道钻进
drilling for conduit ducts
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管道系统;管道输送;管道铺设
piping
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敷设渠道;敷设管道
channelling
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管道铺设附属设备
laying attachment
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