oil drag 中文意思是什麼
oil drag
解釋
滑油阻力-
The main products includes various steam and electric heating reaction vessel, conduction oil, outer coil reaction vessel, polyester and resin completed equipments, vacuum reducing concentration tank, methanol and ethanol recovery tower, various corrugated stuffing, high effective membrane evaporator, new - type centrifugal drag membrane evaporator, vacuum rake dryer, condensing drum cut - off machine, shell - and - tube condenser,
本廠主要產品有各類蒸氣電加熱反應鍋，導熱油外盤管反應鍋，聚脂樹脂全套設備，真空減壓濃縮罐，甲醇乙醇回收塔，各類波紋填料，高效薄膜蒸發器，新型離心刮板式薄膜蒸發器，真空耙式乾燥機，冷凝滾筒切片機，列管式冷凝器，螺旋板式換熱器，外循環蒸發器，鋁制槽車貯罐，乳化設備，高速剪切分散機，種子罐，發酵罐，多功能提取罐，並承接各類非標設備。 -
U. s. light crude hit a high of $ 70. 80 a barrel to drag shares sharply down at the open on concerns about the impact on corporate profit and consumer spending but oil eased through the day as the hurricane was downgraded
因為美國輕原油達到70 . 80美元/桶對投資者利益和消費者消費造成的影響，使股票在開盤時就大幅回落，但油價也因為這天颶風的減弱而回落。 -
Lab test method for the drag reduction performance of drag - reducing agent which applied in oil pipeline transportation
輸油管道減阻劑減阻效果室內測定方法 -
But its recent run to record levels has come as the dollar has risen to two - year highs against key currencies and as oil prices have fallen ? two factors that would normally drag gold prices lower
但金價近期漲至創紀錄水平時，美元對各關鍵貨幣也升至兩年高點，且油價下跌，這兩個因素通常會拖低金價。 -
A major technological challenge is to reduce this drag in order to minimize the energy needed to transport fluids like oil in pipelines, or to move ships in the sea or aeroplanes in the air
科技上一個重要的挑戰便是如何減低湍流流動中的阻力，從而減省運輸流體（如原油） 、以及船隻和飛機航行時所需要的能源。
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