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【简答题】
弓齿滚筒式半喂入脱粒装置,按照脱粒方式分为 ( ) 、 ( ) 和 ( ) 三种形式,其中上 ( ) ,喂入性能差;下 ( ) 和联合收割机使用; 侧 ( ) ,适合于卧式割台联合收割机使用。
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them
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it
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they
【简答题】大气压是由于______而产生的，大气压随海拔高度的变化而变．随着海拔的升高大气压强将______，随着海拔的降低，大气压强将______．液体的沸点随大气压强的降低而______．
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A.
It will be ready in the afternoon, sir
B.
I'd like you to help me
C.
I know nothing about the report
D.
Leave it to tomorrow
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wrote
B.
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D.
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【单选题】______ notebook and report that I promised you last week.
A.
Here is the
B.
Here are the
C.
Is here the
D.
Are here the
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