用自动加药增大加药比例时,可调小(),要微调,不要大范围变动。
A、加药时间
B、加药间隔时间
C、计量泵排量
D、加药浓度
参考答案:B
---Would you have helped her had it been possible?
---Yes, but I __________ busy with my work.
A.was
B.had been
C.have been
D.am
英国83协会船舶定期保险条款中转让条款的内容是什么?