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【单选题】
下列关于所有者权益的表述中，不正确的是（ ）。A.
所有者权益包括实收资本（或股本）、资本公积、盈余公积和本年利润等
B.
所有者权益是企业所有者对企业净资产的所有权
C.
所有者权益是企业所有者对企业资产的剩余索取权
D.
所有者权益金额等于资产减去负债后的余额
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【单选题】What is the advantage of external gear pumps?
A.
high pressure of output
B.
smooth and quiet
C.
low cost of production
D.
None of the above
【判断题】Rotary pumps come in four main types: screw (single and multiple), gear (internal and external), vane (sliding and flexible), and lobe.
A.
正确
B.
错误
【单选题】What is the advantage of external gear pumps?
A.
reliable performance
B.
simple construction
C.
low cost of production
D.
all of the above
【简答题】External gear pumps have two interesting gears that rotate parallel to each other, allowing fluid to be picked up by the and transferred out of the . One of the gears is an gear; the other is attached...
【多选题】What are the two types of fluid flow pumps?
A.
centrifugal pump
B.
external gear pump
C.
positive pump
D.
internal gear pump
【判断题】External gear pumps have two interesting gears that rotate parallel to each other, allowing fluid to be picked up by the gears and transferred out of the pump . One of the gears is an idler gear; the ...
A.
正确
B.
错误
【单选题】What is the advantage of external gear pumps?
A.
high pressure of output
B.
smooth and quiet
C.
low cost of production
D.
all of the above
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