This paper uses oxidation reduction potential method to determine oil enrichment area and performs a pilot test in Yushulin Oil Field in the peripheralpart of Daqing.
应用氧化还原电位法测定含油富集区，在大庆外围榆树林油田进行了试验研究。
2
In the slave disc spring, a plurality of slits are formed in the inner peripheralpart, and the load in a flat state produced when it is elastically deformed can be adjusted to a desired value.
在副盘簧中，在内周部形成有多个狭缝，弹性变形中的平坦时发生载荷调整为所希望的值。
3
That depends, in part, on the assumptions you make about what might happen if one of the peripheral countries were to default.