正确答案: A
下风施放
题目:施放漂浮的橙黄色烟雾信号,应从()
解析:A
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[单选题]Diesel engines driving alternators operating in parallel must maintain a set frequency regardless of load changes. The governor characteristic used to accomplish this is known as _______.
compensation
[单选题]若平面铰链四杆机构的两个连架杆均能作整周旋转,则称为( )机构。
双曲柄
[单选题]救生艇手提电台是何种供电的小型无线电台:
手摇
[单选题]往复泵工作时间长,吸入空气室的空气量会( )。
增加
[单选题]当发现某船员在值班时突然出现面色苍白、站立不稳时,立即采取以下何种处理方法
以上皆可
[单选题]一般_______型柴油机活塞裙部外圆表面容易磨损
中、小
[单选题]For a purifier changing to a gravity disc with smaller hole diameter will move the interface towards the _______.
bowl center