A.50長(zhǎng)*50寬*50深 B.40長(zhǎng)*40寬*50深 C.50長(zhǎng)*50寬*40深 D.40長(zhǎng)*50寬*40深
A.8 B.10 C.12 D.15
A.塑膠線槽 B.防靜電線槽 C.鋁制線槽 D.鍍鋅鋼線槽