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【简答题】
切削用量要素包括_____________、进给量、切削速度三个。
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皮皮学刷刷变学霸
举一反三
【单选题】I am truly sorry for the false information I provided _____ you ______ the quality of the newly developed cassette [ ]
A.
with; with
B.
for; about
C.
for; for
D.
with; about
【单选题】--- I am sorry, I didn’t call you up.--- _____.
A.
That’s all right.
B.
I am very sorry
C.
I am glad to hear that
D.
What were you did
【单选题】--Could you tell us where the post office is? --______
A.
No, I am busy.
B.
Sorry, I am new to the city too.
C.
It is not next to the hospital.
D.
You can buy a map.
【简答题】观测水平角时,观测方向为2个方向时,其观测方法采用测回法测角,（ ）个以上方向时采用方向观测法（或全圆测回法） 测角。
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