spirane structure的用法和樣例：
例句
- Recently the development of a new-type organophosphorous pesticide with ternary asymmetric structure and heterocycle structure has been very active.
帶有三元不對稱結構和雜環結構的新型有機磷殺蟲劑的開發，近年來一直比較活躍。 - The breech lock closure structure and the large flange connection structure of high pressure heat exchangers have been compared.
就高壓換熱器中螺紋鎖緊環結構及大法蘭連接結構作了比較。
