A、Lightning in the vicinity
B、An approaching squall line
C、A fire on the pier
D、All of the above
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A、expansion space to leave in a tank B、flash point at which the fuel will burn C、temperature to which the fuel must be heated D、rate at which the fuel can be pumped during transfer operations
A、expansion space to leave in a tank B、flash point at which the fuel will burn C、temperature to which the fuel must be heated D、rate at which the fuel can be pumped during transfer operations
A、A.lost connection to the controller B、B.duplicate IP address C、C.startup D、D.site survey mode
A、A.Vessel with a case or suspected case of infectious disease on board B、B.Vessel with a dead body on board C、C.Vessel which has visited plague-infected ports during the current voyage D、D.Cargo vessel which hasn't called at any plague infected ports during the current voyage and on which there is not any case of infectious disease，or any dead body
A、two balls in a vertical line B、two diamonds in a vertical line C、a single black ball D、no shape is shown during the day
A、Wet clothes during the day to decrease perspiration B、Get plenty of rest C、Keep the entrance curtains open D、All of the above
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