施工准备：施工前的物质准备，技术人员的调配，现场交底，办理入场手续。
Construction preparation: pre-construction material prepared for the deployment of technical personnel, on-site construction, procedures for admission.
安装调试前，供方现场服务人员向业主方及需方技术交底，讲解和示范将要进行的程序和方法。
E. before installation, for field service personnel to the owner and the demand side technology gives the low-down, explanation and demonstration to be carried out by programs and methods.
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