Application of job risk analysis to annual repair of piston-type gasholder .
作业风险分析；应用；干式储气罐。
The view would be all right if it weren 't for the gasholder .
要是没有那个煤气柜，这景色倒还不错。
Abstract : it is significant to ensure the safety operation of gasholder for daily gas supply . Monitoring on gasholder stocks is safeguard of operation .
