| 释义 |
lag screw 方头木螺钉[亦称作coach screw lag bolt] 以上来源于：《21世纪大英汉词典》 lag screwn.【建】方头木螺钉详细释义源自:《新世纪英汉大词典》Collins外研社 n.方头木螺钉【建筑】英英释义n.a heavy woodscrew with a square or hexagonal head that is driven in with a wrench方头螺钉coach screw lag screw lag screw木螺钉lag scre |