| 释义 |
machine bolt 机器螺栓[参较cap screw, machine screw, stove bolt] 以上来源于:《21世纪大英汉词典》 machine boltn.机(器)螺栓详细释义源自:《新世纪英汉大词典》Collins外研社 n机(器)螺栓英英释义n.a bolt with a square or hexagonal head on one end and a threaded shaft on the other end; tightened with a wrench; |