Making use of the viscosity-dilution curve, the technological operation may be simplified and the production efficiency can be raised.
利用该曲线可简化工艺操作和提高生产效率。
The sounder circuit is used to adjust oil-minimum breakers, so that the working efficiency can be raised and the labour intensity can be reduce.
设计一个少油断路器调整用音响信号电路，以便提高调整工作的效率，并减轻劳动强度。
Oil recovery efficiency can be raised by injecting a lignosulfonate solution into the oil-bearing reservoir, for lignosulfonate is a kind of anionic surfactant.
同时，亦可利用木质素磺酸盐的表面活性剂性质，将其注入地层，可提高原油采收率。
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