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【简答题】
进气管压力传感器的类型较多,但基本上都是将真空膜盒抽成 ,以保持其 。
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举一反三
【单选题】南北半球反气旋的流场结构大体为:
A.
低层顺时针辐散、上层辐合并伴有上升运动
B.
低层顺时针辐合、上层辐散并伴有下沉运动
C.
低层逆时针辐散、上层辐合并伴有下沉运动
D.
低层顺时针辐散、上层辐合并伴有下沉运动
【单选题】George ____ Lisa long before they came to this city. [ ]
A.
had married
B.
married to
C.
got married
【单选题】The SOLAS Convention in its successive forms is generally regarded as the most important of all international treaties concerning the ______of merchant ships.
A.
pollution
B.
economization
C.
safety
D.
efficiency
【单选题】—How long ______each other before they ___married? —For about a year.
A.
have they knownget
B.
did they know were going to get
C.
do they know are going to get
D.
had they knowngot
【单选题】北半球反气旋的流场结构大体为:
A.
低层顺时针辐散、上层辐合并伴有上升运动
B.
低层顺时针辐合、上层辐散并伴有下沉运动
C.
低层逆时针辐散、上层辐合并伴有下沉运动
D.
低层顺时针辐散、上层辐合并伴有下沉运动
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