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【多选题】
砌体强度的损伤检测可采用( )等方法检测。
A.
原位轴法测砌体的抗压强度
B.
原位单剪法测砌体的抗剪强度
C.
扁顶法测砌体砂浆强度
D.
推出法测砌体抗剪强度
E.
回弹法测砌体砂浆强度
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【单选题】二极管半波整流时负载两端的直流电压等于()。
A.
0.75U 2
B.
U 2
C.
0.45U 2
D.
0.9U 2
【简答题】完型填空。 I was always complaining about wind or rain. 1 it was nothing unusual for the arrival of wind or rain, it caused inconvenience for me to go out, and sometimes it even created an awful atmosphere...
【单选题】二极管半波整流时负载两端的直流电压等于( )。
A.
0.75
B.
C.
0.45
D.
0.9
【简答题】完形填空。 I was always complaining about wind or rain. 1 it was nothing unusual for the arrival of wind or rain, it caused inconvenience for me to go out, and sometimes it even created an awful atmosphere...
【简答题】High tides used to attack Kiribati when there was strong wind or heavy rain.
【单选题】二极管整流电路半波整流时负载两端的直流电压等于 ( )。
A.
0.75U
B.
0.45U
C.
0.9U
D.
1.1U
【单选题】二极管半波整流时负载两端的直流电压等于( ) 。
A.
0.75U 2
B.
U 2
C.
0.9U 2
D.
0.45U 2
【单选题】Although the wind has ________, the rain remains steady, so you still need a rain coat. [     ]
A.
turn up
B.
gone back
C.
died down
D.
blown out
【简答题】Such facts as rain, snow, storm and wind are all (phenomenon) ________ of nature.
【单选题】二极管半波整流时负载两端的直流电压等于()。
A.
0.75V2
B.
V2
C.
0.45V2
D.
0.9V2
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