Measures are given to last the using life of the rope, according to both variety and use.

中文解释

从品种和使用两方面出发，提出延长钻井钢丝绳使用寿命的措施。

正在查询

ironist immolate clumsier Grabb 喷灯 disproportionate share 民意 去如何 桥梁 cost-plus