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【多选题】
当流量阀为节流阀时,( )回路用于低速.轻载,且负载变化较小的液压系统。A.
进油节流
B.
旁油节流
C.
回油节流
D.
A+B+C
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反馈参考答案：
举一反三
【单选题】Choose the right words to complete the sentences relevant to travel.
A.
reserve
B.
declare
C.
single room
D.
change
E.
aisle seat
F.
room rate
G.
check
H.
check-out
I.
morning call
J.
package deal K. first class L. confirmIn the Customs I have nothing to _______.
【单选题】When dinning out for business purposes, it is important to______
A.
leave your cell phone on in case family member needs to call you.
B.
fix your makeup at the table.
C.
use proper posture.
D.
start eating as soons as your food arrives, even if the rest of the table has not been served.
【简答题】考虑防火疏散要求,门厅对外出入口的宽度不得小于通向门厅的
【简答题】Section A (10 points) Directions: Read the following passage. Complete the diagram by using the information from the passage. WRITE NO MORE THAN 3 WORDS for each answer. Many students eat their breakf...
【单选题】You should use for a napkin only for your ___ when dinning out.
A.
nose
B.
face
C.
forehead
D.
mouth
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