The Shanghai liquid ammonia leak

初步调查表明：已初步认定事故直接原因系公司生产厂房内液氨管路系统管帽脱落，引起液氨泄漏，导致15名企业操作人员死亡。
Initial investigations are showing that the liquid ammonia leak which killed 15 in Shanghai was caused by a detached pipe cap.
在星期六早上，液氨管路系统管帽脱落释放出了液氨。
A cap on a pipe carrying liquid ammonia reportedly fell off, releasing the chemical Saturday morning.
25名伤者在医院接受治疗，据悉条件稳定。
All of the 25 injured are receiving hospital treatment and are said to be in a stable condition.
当地政府已派环境监测车辆测试泄露的影响。
Local authorities have sent environmental monitoring vehicles to test the impact of the leak.
直到周日并没有检测到污染。
No pollution was detected as of Sunday.
发生泄漏的液氨是上海翁牌冷藏实业有限公司在冷藏食物过程中使用的。
The liquid ammonia was used in food refrigeration units at Shanghai Weng's Cold Storage Industrial Company Limited.
对于事故的调查正在进行中。
Further investigations into the accident is under way.

重点词汇：
1.初步调查 chūbù diàochá
initial investigation
2.液氨 yè ān
liquid ammonia
3.管帽 guǎn mào
pipe cap
4.条件稳定 tiáojiàn wěndìng
a stable condition
5.当地政府 dāngdì zhèngfǔ
local authorities
6.事故的调查正在进行中 shìgù de diàochá zhèngzài jìnxíngzhōng
further investigations into the accident is under way