皮托管的全功率加温是发生在()
A.飞机在地面
B.任意一台发动机正在工作
C.计算空速大于50节
D.B并且C
参考答案:D
Her book didn’t ____ children probably because she employed too many scientific terms.
A.appeal to
B.apply for
C.intend for
D.refer to
长期亏料线作业,会使炉温降低。