But just pumping in more money may be a waste of time.
但一味地投入更多资金可能也是浪费时间。
At the same time, your heart also becomes stronger and more efficient at pumping blood.
同时，你的心脏变得更强壮，能更有效率地输送血液。
Then you can record the time of pumping every day.
然后，监测人员可以记录每天泵的运行时间。
At the same time equipment can be operated while pumping vacuum.
同时设备可以边运转边抽真空。
At the same time equipment can be operated while pumping vacuum.
同时设备可以边运转边抽真空。
应用推荐