短語詞組短語rockbolt element 錨桿單元standard rockbolt 標(biāo)準(zhǔn)錨桿explosive rockbolt 爆固式錨桿grouted rockbolt 砂漿錨桿bamboo rockbolt 竹錨桿movable rockbolt 活錨桿local rockbolt 局部錨桿metal rockbolt 金屬錨桿rockbolt mesh 錨網(wǎng) 返回 rockbolt