常見例句雙語例句Rapidly available potassium contents in 77.3 % production units were middle.速效鉀含量處于中下水平的生產(chǎn)單位占77.3%；http://dict.cnki.netIt could also increase contents of soil organic matter, total nitrogen, nitrate, ammonium, rapidly available phosphorus and potassium, improve soil enzyme activity as years.除全磷表現(xiàn)為減少趨勢外，隨生長年限延長，檸條林地有機(jī)質(zhì)、全氮、硝態(tài)氮、銨態(tài)氮、速效磷和速效鉀含量均呈現(xiàn)增加趨勢； 返回 rapidly available potassium