At present, most large mechanical-electric facilities of gas deflation and facilities of gas storage are overwatched by labor in our country. A little carelessness will lead to accidents;

我国目前大多数瓦斯抽放或加压泵房的大型机电设备和储气设施，都是靠人工昼夜看守，稍有疏忽，就会发生事故；