For diesel locomotive in China the idle hours take up 30% of the total operating time, and the fuel oil is consumed in a great quantity.

我国铁路内燃机车惰性运转的时间占全部运转时间的30 %，消耗大量的燃油。

youdao

The total wireline operating time of 67.5 hours for five runs was approximately 40% less than the estimated time for a similar e-coil intervention — approximately five days.

5次电缆作业总操作时间为67.5小时，比带电缆的连续油管作业节约至少约40%的时间，后者作业时间大约为5天。

youdao

The iPhone is still the most popular handset in the field, but the total number of phones running Google's Android operating system has been greater for some time.

CNN: Reports: iPhone 5 to be unveiled Sept. 12