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SS7E型电力机车升弓前利用辅助压缩机MD5向控制风缸打风，供机车升受电弓、主断路器合闸和两位置开关转换使用。A.
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【多选题】The two top chambers of the heart are ________.
A.
the right ventricle
B.
the left ventricle
C.
the right atrium
D.
the left atrium
【简答题】古文今译题(将下列文句译成白话) 君何患焉?若阙地及泉,隧而相见,其谁曰不然? 子适卫,冉有仆。子曰:“庶矣哉!”冉有曰:“既庶矣,又何加焉?”曰:“富之。”曰:“既富矣,又何加焉?”曰:“教之。”
【简答题】Industrial Chambers
【简答题】野营
【简答题】现有30°C的不饱和KNO 3 溶液,与该溶液有关的量有:1水的质量;2溶液中溶质KNO 3 的质量;3溶液的浓度;4溶液的质量。用序号填空: I.在该不饱和溶液中加少量硝酸钾至饱和,不变的量有 II.将该不饱和溶液恒温蒸发至饱和,不变的量有 .
【单选题】Proper atomization of fuel in diesel engine combustion chambers will _____.
A.
affect the injection pressure
B.
improve combustion
C.
reduce compression pressure
D.
decrease power output
【单选题】According to what Chambers said, which of the following is correct?
A.
In the birthday breakfast, the employees can only praise the president and express how satisfied they are with the company.
B.
The directors or VPs will also be present at the birthday breakfast.
C.
The birthday breakfast can make the president exactly know what is occurring in his company.
【简答题】现有30°C的不饱和KNO 3 溶液,与该溶液有关的量有:1水的质量;2溶液中溶质KNO 3 的质量;3KNO 3 的质量分数;430°C时KNO 3 的溶解度;5溶液的质量。用序号填空: (1)在该不饱和溶液中加少量硝酸钾至饱和,不变的量有____; (2)将该不饱和溶液恒温蒸发至饱和 ,不变的量有____。
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