例句與造句

1. The effect of silican on nitrogen assimilation by rice plant from nitrogen fertilizer of 15n - urea
   尿素研究硅對水稻吸收肥料氮的影響
2. Extenders for paints - specifications and methods of test - part 21 : silican sand unground natural quartz
   涂料用填料.規(guī)范和試驗方法.第21部分:石英砂
3. It's difficult to find silican in a sentence. 用silican造句挺難的