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
白桦低产林
low-yielding Asian White Birch(Betula platyphylla) forest
大功率低频超声
high-power low-frequency ultrasound
大功率低速船用柴油机
high-powered low-speed marine diesel engines
high-powered low-speed marine diesel engine
等离子髓核低温消融
Plasma-mediated coblation
低产茶园
Low-output tea garden
low-output tea plantation