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氢离子浓度 qīng lí zǐ nóng dù
agric. H-ion concentration; hydrogen concentration
anim.husb. pH value
met. hydrogen ion concentration
plast. concentration of hydrogen ions; concentration of hydrogenions
sport., med. pH; power of hydrogen
tech. hydrogen-ion concentration
textile hydrogen ion concentration pH
water.res., ecol. concentration of hydrogen ion
氢离子 浓 度
: 30 phrases in 10 subjects
Agriculture5
Animal husbandry3
Automobiles1
Earth sciences1
Environment1
General2
Metallurgy2
Oil / petroleum1
Technology12
Water resources2