sand control string 防砂管柱
sand-washing string 冲砂工艺管柱
shoe-string sand 透镜状沉积砂
sand string
砂字符串
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Byron Bay is one of a great string of headlands with white-sand bays stretching up the New South Wales coast into Queensland.
BBC: The perfect trip: New South Wales
As the drill progresses through the rock and sand below the seabed, the pressure of the mud in the drill string must be kept within a limited range.
ECONOMIST: Inside story
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