輸入需要查詢的關鍵字：
詞語：king-bolt
king-bolt的解釋
king-boltn. 大螺栓
king-bolt的參考例句
1.A new method of pre-tightening by means of drilling and heating for the king diameter coupling bolt was introduced. 介紹了一種在大直徑聯接螺栓中心鑽孔，通過加熱對螺栓進行預緊的新方法。