Unless specifically authorized by site management, contractors will not remove hazardous or non-hazardous waste materials from the site.
除非现场管理人员特别授权，否则承包商不得从现场中移走危险或非危险废弃材料。
Unless specifically authorized by site management, contractors will not remove hazardous or non-hazardous waste materials from the site.
除非现场管理人员特别授权，否则承包商不得从现场中移走危险或非危险废弃材料。
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