- 搜標(biāo)題
- 搜題干
- 搜選項(xiàng)
單項(xiàng)選擇題
Dangerous goods required to be “carried on deck only” should not be carried on closed vehicle decks，but may be carried on open vehicle deck when authorized by the competent authority concerned. （）
A.under deck
B.on deck
C.ondeck only
D.under deck only
