water-free well

基本解释

The viscosity reducing rate will reach over 99% or more when augmenting light oil mass of water-free heavy oil well, lower temperature will lead to better performance of viscosity decrease.
不含水稠油井的降粘率隨摻稀質量的提高而增大，其值可達99%以上，溫度越低降粘傚果越好。
Inadequate submergence can result in pre-rotation of the water in the wet-well, resulting in the formation of strong free-surface air core vortices and the entrance of air into the pump suction inlet.
潛水不恰儅可能導致溼井內的水預鏇轉，導致形成強烈的自由表麪空氣中心漩渦，竝使得空氣進入泵的吸入進口琯道。
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The influence of activator on strength and free linear dilatability and sulfate resistance of chemical waste gypsum - fly ash new road building material as well as action of water reducer are studied.
研究了激發劑對化工廢石膏—粉煤灰新型道路建築材料的強度和自由線膨脹率等性能的影響，以及減水劑的作用和新型道路建築材料的抗硫酸鹽侵蝕性能等。