单项选择题
A.纸质材料 B.铁质材料 C.瓷质材料 D.木质材料
A.CARRIER’S BILL OF LADING B.FORWARDER’S OF BILL OF LADING C.COPY OF FORWARDER’S OF BILL OF LADING D.COPY OF BILL OF LADING
A.CE、PSE、WEEE B.UL、SA8000、GS C.CE、UL、Oeko-Tex Standard 100 D.ROHS、GS、UL