某同学用游标卡尺测量一圆柱形金属杆的长度l，用螺旋测微器测量该金属杆的直径d，示数如图，由图可读出l=____cm，d=____mm。
9.065，1.500
I was impressed _______ his huge feet ________ approximately 1 foot 8 inches. [ ]
A. in; measuring
B. about; measured
C. with; measuring
D. for; measured
如果三相分离器脱水率较高，可逐步降低破乳剂量，每次变化（）PPm左右。
A.2
B.3
C.4
D.5
