structral characteristic的用法和樣例：
例句
- Based on the structure characteristic and sealing reliability of the solid engine, the sealing structure is disassembled and simplified at first.
摘要從固體發動機密封結構特點和密封可靠性出發，對所研究的密封結構進行分解和簡化。 - The structure characteristic of top combustion and double-preheating igniter ,and its operation effect were presented in this paper.
介紹了頂燃雙預熱高爐煤氣點火爐的結構特點及生產情況。
