在气动不能满足工作要求的场合,可采用气液联动速度控制回路。
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_____me tomorrow and I’ll let you know the lab result.
A. Calling
B. Call
C. To call
D. Having called
Today there are more airplanes _____more people than ever before in the skies.
A. carry
B. carrying
C. carried
D. to be carrying
There________nogoodnewsforyoutoday.
A. be
B. is
C. are
D. am