We tried the pipe lax material, and quite successfully.
我们试过这种解卡剂，而且相当成功。钻井机厂家。
The present invention relates to a steel-plastic composite pipe material for transmission of fluid.
本发明涉及一种输送流体的钢塑复合管路材料。
The characteristic of raw material and manufacturing process of ERW pipe is superior.
钢管因其原材料、制管工艺的特点。
The third is material and it's quality of the pipe and manufacture factors.
第三方面的影响是管道材质和制造因素。
I'll check the material certificate of the pipe.
我要这管子的材质证书。
The sandwich foamed pipe is a new kind of piping material.
芯层发泡复合PVC管材是一种新型塑料管材。
The sandwich foamed pipe is a new kind of piping material.
芯层发泡复合PVC管材是一种新型塑料管材。
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