在确保往复式压缩机能安全平稳运行的条件下,余隙()。压缩机的实际运行过程中,应留有适当的余隙,如余隙()会影响气阀的寿命。
参考答案:越小越好;太小
镜下血尿指每高倍视野中红细胞至少
A.3个
B.4个
C.5个
D.6个
E.7个
As a project manager,you advocate active participation of your team members-this is because you believe in ().
A.theory Y(McGregor mode
B.theory X(McGregor mode
C.Maslow's hierarchy of needs
D.referent power