你建议用实际全程距离进行全速跑训练吗？

Do you recommend full speed trails over the actual distance of the race?

youdao

引航员：主机从全速前进到全速后退用多长时间？进港速度为多少？

Pilot: How long does it take to reverse the engine from full ahead to full astern? What is the harbour speed?

youdao

引航员：主机从全速前进到全速后退用多长时间？进港速度为多少？

Pilot: How long does it take to reverse the engine from full ahead to full astern? What is the harbour speed?

youdao