非金属杂质 nonmetallic inclusion ; metallic impurities ; nonmetallic impurity 非金属管 metallic pipe ; nonmetallictube ; nonmatallic pipe 非金属门 Doors, not of metal ; Gates, not of metal ..
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centrifugal metallic pipe cast machine 离心金属铸管机
metallic pipe coupling 金属管接头
centrifugal metallic pipe casting machine 离心金属铸管机
underground metallic pipe 地下金属管道
centrifugal metallic pipe cast machellone 离心金属铸管机
braided metallic flexible pipe 金属线编织层软管 ; 金属丝编织层软管
Metallic Gaskets for Pipe Flanges 管法兰用金属垫圈
There are some difference in mechanics characteristics between plastic pipe and other metallic pipe.
塑料类管材同长期以来习惯应用的钢管等金属管道其力学特性有较大的区别。
The projecting portion 3 are formed by inwardly pressing and deforming a neighborhood of a front end portion of a metallic pipe body 2.
部分的预测由3人组成的内心冲压变形的一个金属管机构2前端部分街道。
This paper introduces the working principle of cathode protection in underground metallic pipe, expounds the essential of technique and constructed method .
介绍了埋地管线的阴极保护原理，阐述了埋地管道的阴极保护方法和牺牲阳极保护法选用及布点的技术要求。
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