例句與造句

1. By means of geometric analysis of belt deformation in transition section , the paper introduces how to calculate the length in transition section , with considering extension ratio of belt and the difference between head a and tail of extension section
   本文通過對過渡段輸送帶變形的幾何分析，綜合考慮輸送帶伸長率以及頭尾過渡段區(qū)別，給出圓管帶式輸送機過渡段長度的理論計算方法。
2. It's difficult to find extension ratio in a sentence. 用extension ratio造句挺難的