【简答题】在田间喷洒除草剂最好使用[填空(1)] 喷头。
【单选题】()的航海切身证实了地球是圆的这一理论。
【简答题】E mployers in a small ( organize ) __________ are especially interested in individuals with good communication skills
【简答题】E mployers are attracted to _________ with international experience and global skills.
【多选题】实际流体总流的能量方程是工程流体力学中最常用的基本方程之一,其应用条件是( )。