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【单选题】
当截面尺寸、配筋、材料强度等级、控制应力相同时，先后张法预应力轴心受拉构件相比，预应力钢筋中的应力【图片】( ）
A.
两者相等
B.
先大于后
C.
先小于后
D.
无法分辨大小
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【单选题】Try new sports, games, and other activities ________new foods.You'll grow stronger, play longer, look and feel better! [     ]
A.
such as
B.
as well as
C.
or
D.
as well
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【单选题】In____ scavenging he incoming air is directed upwards and the exhaust gases travel down and out of the exhaust ports at the opposite side of the cylinder.
A.
cross
B.
loop
C.
aspirate
D.
uniflow
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【单选题】The crankcase of many diesel engines are kept under a slight vacuum by the _____.
A.
scavenging action of the piston
B.
piston type vacuum pump taking suction off a differential manometer
C.
gland exhausting manometer
D.
crankcase exhaust fan
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【单选题】In ________scavenging the incoming air enters at the lower end of the cylinder and exhaust gases are forced out at the top.
A.
across
B.
loop
C.
aspirate
D.
Uniflow
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【单选题】韧窝是( )断裂断口的微观特征。
A.
解理
B.
纯剪切
C.
微孔聚集
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【单选题】正常支气管肺泡呼吸音听诊最清楚的部位是
A.
喉部
B.
胸骨上窝
C.
胸骨两侧第1、2肋间
D.
乳房下部
E.
肩胛下部
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【简答题】uniflow scavenging
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【单选题】In ____ scavenging the incoming air is directed upwards and the exhaust gases travel down and out of the exhaust ports at the opposite side of the cylinder.
A.
cross
B.
aspirated
C.
Loop
D.
uniflow
查看完整题目与答案
【单选题】In ________scavenging the incoming air is directed upwards and the exhaust gases travel down and out of the exhaust ports at the opposite side of the cylinder.
A.
cross
B.
loop
C.
aspirate
D.
Uniflow
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【单选题】“Loop”, “uniflow”, “crossflow”,and “return-flow” are terms used to describe various types of_____.
A.
control air circuits
B.
supercharging
C.
turbochargers
D.
scavenging
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相关题目：
【单选题】Try new sports, games, and other activities ________new foods.You'll grow stronger, play longer, look and feel better! [     ]
A.
such as
B.
as well as
C.
or
D.
as well
查看完整题目与答案
【单选题】In____ scavenging he incoming air is directed upwards and the exhaust gases travel down and out of the exhaust ports at the opposite side of the cylinder.
A.
cross
B.
loop
C.
aspirate
D.
uniflow
查看完整题目与答案
【单选题】The crankcase of many diesel engines are kept under a slight vacuum by the _____.
A.
scavenging action of the piston
B.
piston type vacuum pump taking suction off a differential manometer
C.
gland exhausting manometer
D.
crankcase exhaust fan
查看完整题目与答案
【单选题】In ________scavenging the incoming air enters at the lower end of the cylinder and exhaust gases are forced out at the top.
A.
across
B.
loop
C.
aspirate
D.
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【单选题】韧窝是( )断裂断口的微观特征。
A.
解理
B.
纯剪切
C.
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【单选题】正常支气管肺泡呼吸音听诊最清楚的部位是
A.
喉部
B.
胸骨上窝
C.
胸骨两侧第1、2肋间
D.
乳房下部
E.
肩胛下部
查看完整题目与答案
【简答题】uniflow scavenging
查看完整题目与答案
【单选题】In ____ scavenging the incoming air is directed upwards and the exhaust gases travel down and out of the exhaust ports at the opposite side of the cylinder.
A.
cross
B.
aspirated
C.
Loop
D.
uniflow
查看完整题目与答案
【单选题】In ________scavenging the incoming air is directed upwards and the exhaust gases travel down and out of the exhaust ports at the opposite side of the cylinder.
A.
cross
B.
loop
C.
aspirate
D.
Uniflow
查看完整题目与答案
【单选题】“Loop”, “uniflow”, “crossflow”,and “return-flow” are terms used to describe various types of_____.
A.
control air circuits
B.
supercharging
C.
turbochargers
D.
scavenging
查看完整题目与答案