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问题:

[单选] The fuel booster pump and steam to fuel heater, together with fuel pipe heater tracer line should be shut off as soon as the () order is acknowledged.

A . finished with engines
B . stop
C . stand by
D . full ahead

Steady precipitation is typical of(). coming cold weather conditions。 a warm front weather condition。 high pressure conditions。 scattered cumulus cloud。 对计量误差处置正确的是()。 燃气企业可对计量准确度进行检测鉴定。 具有相应资质的计量检测机构才能鉴定计量准确度。 在法定范围内的误差不影响使用。 一旦发现计量器具误差,停止使用。 Windows不允许对硬盘进行格式化。 基肥的作用有哪些?如何正确地施用基肥? 人们为什么要重视仪表? The fuel booster pump and steam to fuel heater, together with fuel pipe heater tracer line should be shut off as soon as the () order is acknowledged.
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