expansion type anchor bolt
... ISE-type grapnel anchor 伊斯型四爪锚 expansion type anchor bolt 涨壳式锚杆 type anchor shack 弓形锚卸扣 ...
基于20个网页-相关网页
[矿业]
[建]
expansion type rock bolt
... 章鱼毒素 cephalotoxin 涨壳式锚杆 expansion type rock bolt 涨落 fluctuation ...
基于6个网页-相关网页
短语
涨壳式顶板锚杆
expansion shell bolt
;
shell bolt