一般文献所给出的四点吊桩的吊点布设是以吊索等长为前提的。
The arrangement of four lift points to hoisting a pile, as given in general technical literature, is on the premise of slings with equal length.
钢板桩施工组织设计编制合理，技术控制到位是保证钢板桩防渗墙顺利施工的必要前提。
The reasonable construction design and conscientious technical control is the essential prerequisite for the smooth construction of steel sheet pile seepage prevention wall.
可靠的土性资料是准确预测沉桩可打入性的前提条件。
Reliable soil properties play an important role in predicting the drivability of steel piles.
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