基本解释沈头螺栓，埋头螺栓英汉例句双语例句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语countersink heoffer bolt 埋头螺栓countersink hearticle bolt 埋头螺栓countersink head bolt 埋头螺栓;静心螺栓;埋头Flat countersink squar neck bolt 沉头方颈螺栓countersink bolt更多词组专业释义物理学沈头螺栓