justified margin的用法和樣例：
例句
- All the working dimensions will be finally determined according to the minimum margin and calculated margin tolerances.
最後根據最小余量及計算出的余量公差確定出全部工序尺寸。 - Since casing strength performance can be influenced by many factors, it is hard to confirm casing strength margin and its value.
摘要套管強度性能受多種因素的影響，如何確定套管強度余量及其大小，是一個難題。
