词汇	signal detonator
释义	signal detonator 信号弹
随便看	building faculty team Building Family Simple Accounting System building feature building fiberboard building field building figure building file list building finishing building finishing, duct building finishing lining building fire building fire cal building fire disaster Building Fire-extinguishing Installations building fire-fighting building fire pool building fire prevention building fireproofing building formwork Building for teaching building governing capacity building grade building fire protection building fire protection design building fire protection technology system