potassiumn.钾
Potassium applied钾肥
potassium triplex三联钾
potassium in soil钾
potassium current钾电流
potassium nitraten.[化]硝酸钾
Potassium Jodatum碘化钾
potassium content钾含量
potassium citrate柠檬酸钾
Potassium Adipate己二酸钾
potassium cyanate氰酸钾