permanent stability的用法和樣例：
例句
- The factors which effect on leakage dissolution characteristic and the leakage dissolution stability &durability of concrete have been discussed.
論述影響混凝土滲透溶蝕特性的因素，滲透溶蝕穩定性及混凝土滲透溶蝕耐久性。 - Although the presence of fuel-rich boundary injection apparently degrades engine stability, it is generally necessary to enhance chamber wall endurance.
盡管富燃料邊界噴射的存在顯然降低了發(fā)動(dòng)機的穩定性，但通常這是為增強室壁的耐久性所必需的。
