词汇	bolt face
释义	bolt face 枪机,枪栓
随便看	sanitationman sanitation material sanitation measures sanitation method Sanitation monitor sanitation monitoring information system sanitation of air sanitation of bathroom sanitation of bath-room sanitation of drinking water sanitation of environment sanitation of judgment sanitation of medical care sanitation of spring water sanitation of swimming pool sanitation of water sources sanitation piece Sanitation quality sanitation requirements sanitation requirements at border ports sanitation resource sanitations Sanitation safety Sanitation school Sanitation service