皮皮学，免费搜题
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【单选题】
焊接钢管的连接,小于等于32mm,应采用( )接连;大于32mm,采用( )连接。A.
螺纹；焊接
B.
法兰；焊接
C.
螺纹；法兰
D.
法兰；焊接
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皮皮学刷刷变学霸
举一反三
【简答题】转塔刀架主要使用在车削中心等数控机床上,上面可以安装()。
【单选题】Diner： Is there any table __________ in your restaurant? Receptionist: Yes. Would you like to book one? Diner：A table for six in a private room, please
A.
vacant
B.
free
C.
available
D.
useful
【单选题】Diner: Is there any table __________ in your restaurant? Receptionist: Yes. Would you like to book one? Diner:Yeah. A table for six in a private room, please
A.
vacant
B.
free
C.
available
D.
useful
【单选题】Diner: Is there any table __________in your restaurant? Receptionist: Sorry. It is fully booked.
A.
free
B.
vacant
C.
available
D.
booked
【单选题】Diner: Is there any table __________in your restaurant?
A.
ceptionist: Sorry. It is fully booked.
B.
free
C.
vacant
D.
available
E.
booked
【单选题】Diner: Is there any table __________in your restaurant?
A.
Rceptionist: Sorry. It is fully booked.
B.
free
C.
vacant
D.
available
E.
booked
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