您要查找的是不是：
- Determination of available silicon in potassium - calcium fertilizer by spectrophotometric method 分光光度法测定钾钙肥中有效硅
- potassium - calcium fertilizer 钾钙肥
- HIGHLY IONIZED POTASSIUM AND CALCIUM SPECTRA. 高度游离钾及钙之光谱(英文)
- The stalks will rot and make good fertilizer. 杆儿腐烂后会成为很好的肥料。
- I have a slight calcium deficiency. 我有点缺钙。
- No potassium did we find in this mineral. 在这种矿石中我们没有发现钾。
- Get some more fertilizer for the garden. 给花园再多施些肥料。
- Calcium is beneficial to our bones. 钙对我们的骨骼有益。
- A fertilizer containing phosphorus compounds. 磷肥含有磷化合物的一种化肥
- The child has a calcium deficiency. 那孩子缺钙。
- Fertilizer consisting of sodium nitrate or potassium nitrate. 硝酯钯由硝酸钠或硝酸钾组成的化肥
- They are alumino-silicates of sodium. potassium and calcium. 它们都是钾和钙的铝硅酸盐类。
- Its decoction contains abundant potassium and calcium ions. 明党参水煎膏中含丰富的钾和钙离子。
- Potassium is necessary to the existence of all living things. 钾是所有生物生存必须的。
- calcium fertilizer 钙肥
- The boilers will have to be scoured out to remove the calcium deposits. 锅炉内壁要洗刷一下，除去钙质沉淀物。
- Send us the fertilizer at once, or our wheat sowing will be held up. 马上把化肥给我们送来，要不，我们小麦播种就要给耽误了。
- silicon and calcium fertilizer 硅钙肥
- silicon calcium fertilizer 硅钙肥
- The components of a potassium cycle vary greatly. 钾素循环的各个环节有很大的变化。
