The equipment composition and the process characters of the molding line were analyzed also.
分析了其设备组成及工艺特点。
Cleaning oil and gas well, pipeline, sleeve, stratum and equipment composition and its using method.
清洗油和气井,管道,套管,地层和设备的组合物及其使用方法。
The basic work principle and equipment composition of non-excavation technique of directional drilling machine have been introduced in this paper.
介绍了采用定向钻非开挖技术的基本工作原理与设备组成。
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