基本解释沈頭螺栓，埋頭螺栓英汉例句雙語例句To drive(a screw or bolt) into a countersink.螺栓上的扳手。countersink bolt更多例句词组短语短語countersink heoffer bolt 埋頭螺栓countersink hearticle bolt 埋頭螺栓countersink head bolt 埋頭螺栓;靜心螺栓;埋頭Flat countersink squar neck bolt 沉頭方頸螺栓countersink bolt更多词组专业释义物理學沈頭螺栓