mottled zone是什么意思

用法例句

Production conditions and technical requirements of camshaft used for Xiali gasoline engine was introduced, the abnormal graphite (black line) found in the chilled zone was analyzed, and the wearing-resistance of the black line zone was tested.

介绍了天津夏利汽油机凸轮轴的生产条件和技术要求,分析了其激泠部位的石墨异常析出(黑线)现象,并进行了辚线的耐磨性试验,试验结果:黑线处磨损体积为白口区的1。

Research on formation stages of hydrocarbon reservoirs in Qiaokou area of Dongpu sag;

东濮凹陷桥口地区油气藏形成期次研究

Qiaokou area is located at the south of central uplift belt of Dongpu depression,where there is significant exploration potential with good structural condition and abundant hydrocarbon resource and low identified degree(only 18 28% ), particularly in Es 3 section(below 10%).

桥口地区位于东濮凹陷中央隆起带南部 ,构造条件好 ,油气资源丰富 ,目前探明程度很低 ,仅 1 8 2 5 % ,沙三段更低 ,不到 1 0 % ,因此具有很大的勘探潜力。