... 旋转的，转动的 rotational 大直径管 ；大口径管 large diameter pipe 水总管，气总管 water or gas mains ...
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large-diameter pipe pile 大直径管桩
large-diameter pipe 大口径管
Large diameter steel pipe flanges 大直径钢制管法兰
Large-diameter carbon steel pipe flanges 大直径碳钢管法兰
Welded large diameter line pipe 焊接大口径管材
Large-diameter seamless pipe 不锈钢大口径无缝管
large diameter ring pipe 大直径环形管
The product is suitable for storage containers and large diameter pipe heat preservation.
该产品适用于贮罐容器和大口径管道的保温。
During pipe line laying or large beam support welding, it often meets crossover of two or multi different axis large diameter pipe piece.
在管道铺设或大型梁架焊接过程中，往往会遇到两个或多个不同轴线的大直径管件相交的情况。
The extrusion molding process and main equipment for producing PE large diameter pipe with negative pressure sizing technology are studied.
对采用负压定径技术生产大管径聚乙烯管的挤出成型工艺及其主要设备进行了研究。
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