... bolthole 联络小巷 bolt-spray support 锚喷支护 bonanza 富矿脉 ...
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anchor bolt-spray support 锚喷支护
bolt spray net support 喷锚支护
·2,447,543篇论文数据，部分数据来源于NoteExpress
Although it has success development different producibility bolt in last few year, concrete spraying research have not the obvious break through in anchor spray support.
虽然近几年来已成功研制了各种可伸长锚杆，但锚喷支护中混凝土喷层研究仍未有明显突破。
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