石油化工机器设备安装工程施工及验收通用规范.pdf

General Specification for Construction and Acceptance of Petrochemical Mechanical Equipment Installation Engineering ······························································································································································· 1 ··························································································································································· 1 2 ······································································································································· 1 3 ··············································································································································· 1 4 ··································································································································· 3 4.1 ················································································································································ 3 4.2 ···································································································································· 3 4.3 ················································································································································4 4.4 ···························································