词语贯穿螺栓
解释through bolt
through bolt〔名词〕贯穿螺栓详细»
through bolt〔名词〕贯穿螺栓,穿心螺杆;n.直通螺栓详细»
through bolt〔名词〕穿钉详细»
through bolt〔名词〕贯穿螺栓,直通螺栓详细»
贯穿螺栓through bolt详细»