The technological and uplift tests of underreamed anchors are carried out based on the development of mechanical underreamed devices of anchorage.
在研制锚杆机械扩孔器的基础上，进行了扩体型锚杆的工艺试验和抗拔试验研究。
The technological and uplift tests of underreamed anchors are carried out based on the development of mechanical underreamed devices of anchorage.
在研制锚杆机械扩孔器的基础上，进行了扩体型锚杆的工艺试验和抗拔试验研究。
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