Mzda31.6L天窗版的综合油耗是多少?() ["8.3L","5.9L","6.0L","6.4L"]
通常情况下,在A3海区发送船到岸遇险报警的设备是()。 ["A.MFDSC设备","B.SES设备","C.406MHzS-EPIRB设备","D.B和C"]
液氨的组份允许含水量()。 ["<0.04%","<0.03%","<0.05%"]
“具有连续VHF-DSC职守能力岸台所覆盖的区域”定义的是()。 ["A、A1海区","B、A2海区","C、A3海区","D、A4海区"]
二次进气螺杆式制冷压缩机有何特点?
什么是航空装备的工作时间?