油层低产
oil reservoir low productivity
低产低效
Low yield and poor benefit
inefficient and low-yield
低产低效井
Low produce and effect well
低产低效林
southeast prefecture guizhou province
低产低压
Low Production and Low Pressure
低产低液油井
Low-productivity and Low-liquid Oil Wells
平流层低层温度
lower stratospheric temperature
澳大利亚北侧低层气流
The north Australia airflow of lower troposphere
白桦低产林
low-yielding Asian White Birch(Betula platyphylla) forest
表层低盐水
surface low-salinity water
薄层低阻气层
thin gas reservoir with low resistivity