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搜题
【单选题】
斜歪褶皱是指（）A.
轴面倾斜，两翼均向同一方向倾斜
B.
轴面倾斜，两翼均向不同方向倾斜
C.
轴面水平，两翼产状也近
D.
轴面直立，两翼向不同方向倾斜
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皮皮学刷刷变学霸
举一反三
【单选题】The defeated army had to _____ hastily from the field of battle to the coast.
A.
retreat
B.
retire
C.
relieve
D.
restore
【简答题】先导式溢流阀由 和 两部分组成。其中先导阀的作用是 ,主阀的作用是 。
【单选题】The defeated army gave up its weapons in ________ to the victors.
A.
transmission
B.
emission
C.
mission
D.
submission
【单选题】The Union Army defeated the Confederate army at _____, Pennsylvania and it was the turning point of the Civil War.
A.
Philadelphia
B.
Jamestown
C.
Gettysburg
D.
Saratoga
【单选题】先导式溢流阀由先导阀和主阀两部分组成,它是利用什么原理进行工作的?
A.
它是利用主阀芯上、下两端的压力差所形成的作用力和弹簧力相平衡的原理来进行工作的。
B.
它是利用主阀芯上、下两侧面的压力差所形成的作用力和弹簧力相平衡的原理来进行工作的。
C.
它是利用主阀芯下端的压力所形成的作用力和弹簧力相平衡的原理来进行工作的。
【单选题】The defeated army had to ______ from the field of battle to the coast.
A.
advance
B.
retreat
C.
mark
D.
surrender
【单选题】After Iraq was defeated, the Iraqi government was __________by the American army. [ ]
A.
taken off
B.
taken away
C.
taken out
D.
taken over
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