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【单选题】
高压无气喷涂机常见故障中，因涂料太稠或嘴选用孔径太小，喷嘴内有干涂料及异物引起的主要故障为（）.A.
液压油明显减小
B.
电动机不转动
C.
涂料压力上不去
D.
喷涂过程中经常发生堵嘴现象
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举一反三
【单选题】, we must take time to discuss it carefully.
A.
Being rather difficult
B.
Because the question being rather difficult
C.
the question being rather difficult
D.
Because the question be rather difficult
【单选题】We must make（）that goods arriving later than March 6th will be rejected.
A.
clear
B.
it clear to you
C.
clear to you
D.
it is clear
【单选题】To find out how the name Canada came about, we must go back to the 16th century. At that time, the French dreamed of (梦想) discovering and controlling more land across the world. In 1535 Fran? ois I , ...
A.
To build a new country
B.
To find the New World
C.
To get in touch with American Indians
D.
To know more about America and find a new way to Asia
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