This paper introduces mechanism, research methods and main results about microbubble dray reduction.
該文介紹了微氣泡降阻機(jī)理 、 研究方法和重要結(jié)論.
互聯(lián)網(wǎng)
A dray is a type of horse - drawn vehicle.
雪橇是一種馬拉的交通工具.
互聯(lián)網(wǎng)
She stood doggedly in checkout lines; she toiled like a dray - horse up the Hill back home.
她頑強(qiáng)地支撐著排在付款的隊(duì)里; 她像拖載重物的老馬艱難地爬上山回家.
互聯(lián)網(wǎng)