1983年8月18日16时10分,开滦矿务局某办公室的电话机发生爆炸。有两名工人从那天下午2时起在室内用乙炔气割管子,直至爆炸发生。此爆炸使一名工人右侧面部受伤,均为表皮伤。现场比较干净,地面为瓷砖铺地,白灰抹墙。经现场勘查,室内未发现与爆炸有关的物证。对电话机壳碎块、零件进行了检验,认为此爆 At 16:10 on August 18, 1983, an explosion occurred in the telephone of an office in Kailuan Mining Bureau. Two workers cut gas pipes with acetylene gas inside the room from 2 pm on that day until an explosion occurred. The blast wounds a worker’s right facial, all from an epidermal wound. The scene is relatively clean, the ground floor tiles, gray wall wipe. After investigation on site, no physical evidence related to the explosion was found indoors. The phone shell pieces, parts were tested, think this burst