水平安定面配平有几种方式()
A、人工和电动配平
B、人工配平、电气配平、自动驾驶配平
C、人工配平、马赫配平、速度配平
D、人工配平、电气配平、马赫配平
参考答案:B
I'd like to ________ him to you for the job. He is a very clever and industrious boy. [ ]
A. refer
B. suggest
C. recommend
D. propose