explosionn.爆炸；爆炸声；激增；爆发explosion bubble爆炸气球explosion engine爆燃式内燃机,爆燃式发动机,内燃机explosion cavity爆洞explosion relief爆炸排气装置explosion radius爆炸半径explosion height爆高explosion limits爆炸极限explosion damage火灾爆炸explosion danger爆炸危险explosion lining爆炸衬砌