datum level of erosion 侵蚀基准面
datum-level temperature 基准面温度
corrected datum-level pressure 折算基准面压力
chart datum level 海图基准面海图基准线
crane datum level [机] 起重机停车面
refraction datum level 折射基准面
DL Datum Level 基准面
chart datum level CDL 海图基准水位
The piezometric head is also measured from the same datum level.
测压水头亦应从同一基准面算起。
However, in order to compare data between Wells it is important to have a valid, area wide reference for comparison. This is the permanent datum level.
但是为了对不同的井进行比较，需要确定一个区域的有效的永久深度参考面。
The well log response model of the datum cycle is developed through core calibration and well logging, classifying the middle-term cycle of datum level.
通过岩心标定测井，建立其基准面旋回的测井响应模型并划分中期基准面旋回；
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