A、the second engineer had got into the engine room
B、the second engineer got into the engine room
C、has the second engineer got into the engine room
D、did the second engineer get into the engine room
更多“No sooner （） than they started to repair the sludge pump.”相关的问题
A、Hardly had he arrived B、Hardly he had arrived C、No sooner did he arrive D、No sooner arrived he
A、Loss should be no more than 1 percent. B、One-way latency should be no more than 150 ms C、Jitter should be no more than 30 ms D、Loss should be no more than 3 percent E、One-way latency should be no more than 150/2=75 ms F、Jitter should be no more than 300 ms
A、later and close sooner B、sooner and close later C、sooner and close sooner D、later and close later
A、no earlier than 24 hours prior to loading B、no later than 24 hours prior to loading C、anytime prior to loading D、weekly
A、is a finer，more diffuse water spray than low-velocity fog B、requires that the water pressure be no greater than 60 psi C、produces an effective fog pattern no more than 6 feet beyond the nozzle D、extinguishes a fire by absorbing heat and reducing the supply of oxygen
A、Delay should be no more than 10 ms. B、Loss should be no more than1 percent. C、Jitter should be less then 40 ms. D、Managed bandwidth is strongly recommended for voice control traffic.
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