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【多选题】
凸轮轴的布置形式有哪些?A.
上置式
B.
中置式
C.
尾置式
D.
下置式
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皮皮学刷刷变学霸
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【单选题】肋骨编号方法是:1、习惯上以舵杆中心线为“0”号,对全船肋骨进行编号;2、以尾垂线为“0”号,对全船肋骨进行编号;3、以船中为“0”号,对全船肋骨进行编号
A.
①、②
B.
②、③
C.
①、③
D.
①、②、③
【单选题】―When was the house built? ―It was built in 1949 _______ the PRC was founded．
A.
which
B.
that
C.
what
D.
when
【简答题】According to Halifax, there is a slight slowdown in annual inflation.
【简答题】A．few B．little C．bit D．slight
【简答题】The Longest Bicycle The longest true bicycle was 28.1 meters long and had two wheels. It was built by the students at the Delft University of Technology in the Netherlands. The bicycle was ...
【单选题】It was built this century.
A.
at the beginning of
B.
in the beginning
C.
at the beginning
D.
under the beginning
【单选题】肋骨编号方法是( )1习惯上以舵杆中心线为“0”号,对全船肋骨进行编号2以尾垂线为“0”号对全船肋骨进号行编3以船中为“0”号对全船肋骨进行编号
A.
①②
B.
②③
C.
①③
D.
①②③
【简答题】肋骨编号方法是( )1习惯上以舵杆中心线为“0”号,对全船肋骨进行编号2以尾垂线为“0”号对全船肋骨进号行编3以船中为“0”号对全船肋骨进行编号
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