The conventional samples of formation fluids can be used in laboratory PVT measurements to provide viscosity data, but the cost of sampling and data analysis is relatively higher.
常规地层流体取样的实验室PVT分析可以提供流体的粘度数据，但是取样及分析的成本较高。
If the sample of the sampling with order, we will refund the cost of the sampling to you.
如果打样的样品有订单，我们将会将打样的费用退还给你们。
Then based on the analysis of three current sampling methods, a bridge sampling method with low cost and easy implementation is adopted to obtain the current information.
其次，对三种电流采样方法进行分析，确定采用成本低、易于实现的桥臂电流采样方法获取定子电流信息。
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