It is convenient and economic to use the low-strain echo method in examining the integrality of pour-pile outright.

对于带有普查性的灌注桩完整性检测，低应变反射法较为便利和经济。

youdao

It is convenient and economic to use the low-strain echo method in examining the integrality of pour-pile outright.

对于带有普查性的灌注桩完整性检测，低应变反射法较为便利和经济。

youdao