管道的英文：
pipeline
- Exhaust tubulation
排气管道scour a pipe
冲洗管道 skirting heater
沿踢脚板铺设的管道Sweep flame around tube in short strokes up and down at right angles.
然后围绕着管道短距离上下交替对管道进行火焰烘烤，并以适当的角度旋转管道，避免烧穿管道。Air pressure forces the water through the pipe.
空气压力使水通过管道.Heated air is forced into the upper tier of ducts.
加热的气流被送入上面的一排管道。It became necessary to provide drainage or sewer systems to carry such wastes away from the area
提供排水系统或污水管道系统，把废物排出市区已成为必要。If you unblock the pipe,the water will run back into the house.
如果堵不住管道，水就会流回到屋里。A cylinder is a hollow tube with a closed concave base that permits it to stand upright.
钢瓶是中空的管道，封闭的底部是凹入的，这样可以直立起来。Blower system of air knife: the piping from blower station to air knife.
气刀的风机系统:从风机站至气刀的管道。
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