Immersible degrees in oil Wells with low pump efficiency were adjusted by using the relation curves.
利用该关系图对泵效低下的油井沉没度进行调整，取得了较好的效果。
The technology is getting smaller and smaller and people are trying to work out how to make it more immersible.
高科技产品变得越来越小，人们开始设法将这些产品变得越来越和人浑然一体。
Field application shows that an immersible pump method is the most ideal method for the oil vacuum unloading system of rail tank wag.
实践表明，卸槽潜油泵法是火车槽车负压卸油系统改造的最理想方法。
Field application shows that an immersible pump method is the most ideal method for the oil vacuum unloading system of rail tank wag.
实践表明，卸槽潜油泵法是火车槽车负压卸油系统改造的最理想方法。
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