水深与吃水比H/d越小:().
A.相同漂角时的水动力系数Cw越小
B.相同漂角时的水动力系数Cw越大
C.A与B两种情况均存在
D.A与B两种情况均不存在
参考答案:B
The parents are _____ their son who has been away from home for days.
A.in search of
B.to search
C.searching
D.searched for
氧瓶燃烧法测定对硝基氯苯中氯含量时,试样燃烧分解后,若吸收液呈黄色,将造成测定结果偏高。( )