这种关系往往不是立杆见影的。
为以后海洋平台具有一定高度的立杆结构提供设计方法及技术支撑。
After the platform for the Marine Pole has a certain structure to provide a high degree of design and technical support.
通过这根高压管线，泥浆被泵入立管和钻忏杆。
Through this high pressure line, mud is pumped in to the standpipe and drill pipe.
通过这根高压管线，泥浆被泵入立管和钻忏杆。
Through this high pressure line, mud is pumped in to the standpipe and drill pipe.
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