structural performance deterioration的用法和樣例：
例句
- Long-term storage may result in poor lead solderability and degraded electrical performance.
長期存儲可能會導致管腳可焊性差和電氣性能退化。 - If valves are not put into service within three months after factory shipment, long term storage measures should be initiated to preclude valve deterioration.
如果閥門在出廠三個月後沒有使用，就應該開始採用長期儲存方法，避免閥門性能退化。
