因此，难溶性的无机磷向可溶性磷的转化和有机磷的生物矿化对植物的磷素营养是十分重要的。
As the result, it is important to convert insoluble P into soluble P and to release P from lecithin .
我们的施工人员均受过正规的专业训练与教育，对各种高、难、重、险的起重吊装安装工程有着丰富的工作经验。
Our construction personnel have received regular professional training and education, for all kinds of high, difficult, heavy, risks of lifting installation project has a wealth of experience.
染织行业的浆染生产废水具有浓度高、色度大和含有大量难降解有机物的特点，属于难降解、污染重的工业废水。
The starching-dyeing wastewater is characterized by high concentration, high color, and high content of refractory organic matters, and is of refractory and heavily polluted industrial wastewater.
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