2. Lifejackets, ______ and thermal protective aids are personal lifesaving appliances.

(A) liferafts

(B) food and equipment lockers

(C) immersion suits

(D) parachute rocket signals

答案:登入後查看
統計: A(31), B(8), C(120), D(6), E(0) #3751967

詳解 (共 1 筆)

#7307149
救生衣、______ 以及熱防護具皆屬於...
(共 598 字,隱藏中)
前往觀看
4
0