Introduction to class, system safety, and hazard identification (PDF).
课程介绍，系统安全，和危险确认(PDF)。
Construction hazard identification, risk assessment, control plan is implemented combined a project.
结合工程实例，进行山区高速公路施工危险源辨识、风险评价和控制策划。
Construction hazard identification, risk assessment, control plan is implemented combined a project.
结合工程实例，进行山区高速公路施工危险源辨识、风险评价和控制策划。
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