青麸杨是山区优良的蜜粉源植物资源，也是五倍子蚜虫的寄主植物。
Rhus potaniinii Maxim is a fine nectar and pollen plant resource in the mountains and is a host plant of Chinese gall.
山区高速公路施工项目中的危险源是导致工程施工事故的根源，为了控制施工现场的安全风险，预防工程施工事故的发生，需要对山区高速公路施工危险源进行风险管理。
Hazard in construction project of mountainous freeway is the cause of construction accidents. It is necessary to implement hazard management to control safety risk on spot and prevent accidents.
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。
Construction hazard identification, risk assessment, control plan is implemented combined a project.
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