Construction workers unearthed several heavily eroded oil drums containing the gas almost two weeks ago. 49 people have so far been found exposed to poisonous gas.
英
美
- 两周以前;齐齐哈尔市建筑工人发现了几个装满了芥子气的油桶.;到目前为止;已经有49人受到了有毒气体感染