下圖中所示的包裝標(biāo)記是指()。
A.堆碼重量極限 B.堆碼層數(shù)極限 C.此處不能卡夾 D.禁止堆碼
A.45% B.70% C.80% D.20%
A.keep away from moisture B.keep away from heat C.keep away from cold D.keep away from fire