單項(xiàng)選擇題
A.contaminating foof with extinguishing agent B.spreading through the engineering space C.loss of stability D.a grease fire in the ventilation system
A.crewman's duty list B.certificate of inspection C.shipping articales D.muster list
A.conduction B.convection C.radiation D.direct contact
微信掃一掃關(guān)注公眾號(hào)后聯(lián)系客服
微信掃碼免費(fèi)搜題
