hexagonal head bolt

• 六角头螺栓

hexagonal head bolt的用法和样例：

例句

1. The snake lifted its ugly triangular head and hissed slightly as the legs of the chair snagged on its rug.
   椅腿钩破地毯，那蛇抬起它那丑恶的三角头，发出轻轻的嘶嘶声。