B4S-118-2 柜子尺寸:324W*400D*878H 抽屉外尺寸:281W*407D*40H 抽屉内尺寸:276W*387D*37H B4M-109-2 柜子尺寸:324W*400D*878H 抽屉外尺寸:281W*407D*82H 抽屉内尺寸:276W*387D*78H