无缝钢管制作的尺寸从八分之一寸到二十四寸。
411 Spiral-welded steel pipe is available in sizes from 6 to 36 inches.
螺旋焊接钢管的尺寸从六寸到三十六寸。
412 Two types of end are standard on steel pipes and fittings, that is flanged and screwed.
钢管和管件有两种标准端部型式,即:法兰和丝扣。
413 This pipe is made of carbon steel (stainless steel ,cast iron, plastic).
这管子是碳素钢(不锈钢、铸铁、塑料)制成的。
414 We usually use elbow (bend, flange, tee, reducer) as a kind of pipe fitting.
我们常用弯头(弯管、法兰、三通、大小关)作为一种管件。
415 What is the installation elevation of this pipeline?
这条管线的安装标高是多少?
416 This pipeline will be installed on the No.8 pipe rack.
这条管线将安装于八号管廊架上。
417 The transfer medium in this pipeline is liquid ammonia (process air, soft water, alkali liquor, acidic gas).
这条管线的输送介质为液氨(工艺空气、软水、碱液、酸性气体)。
418 This is a gate valve (check valve, butterfly valve, cut-off valve, magnetic valve, remote valve, relief valve, throttle valve, cock).
这是一个闸阀(止回阀、蝶阀、切断阀、电磁阀、遥控阀、安全阀、节流阀、旋塞)。
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