【单选题】【消耗次数：1】
在加工中心上加工箱体，一般一次安装能（ ）。
①
加工多个表面
②
只能加工孔类
③
加工全部孔和面
④
只能加工平面
参考答案：
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相关题目
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孔加工循环的注意事项（ )
①
孔加工固定循环中，刀具长度补偿指令在刀具至R点时失效
②
以上内容全选
③
撤消孔加工固定循环指令为G80。此外，G00 G01 G02 G03 也起撤销作用
④
孔加工固定循环指令执行前，必须先用M指令使主轴转动
⑤
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随机题目
【单选题】
This book is ______ that one, but ______ than that one.
①
as difficult as; expensive
②
as more difficult as; more expensive
③
as difficult as; more expensive
④
more difficult as; as expensive
【单选题】
I think the story is not so ______ as that one.
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Interesting
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interested
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more interesting
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most interesting
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This box is ______ that one.
①
heavy than
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so heavy than
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heavier as
④
as heavy as
【单选题】
These children are ______ this year than they were last year.
①
more tall
②
more taller
③
very taller
④
much taller
【单选题】
I think science is ______ than Japanese.
①
much important
②
important
③
much more important
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more much important
【单选题】
She ___ the door before she goes away.
①
had locked
②
is locking
③
has locked
④
was locking
【单选题】
I haven’t finished my composition. I ___ for two hours and a half.
①
?have written it
②
?have been writing it
③
?wrote it
④
am writing it