flexible line的用法和樣例：
例句
- During the last decade a variety of methods has been devised and adopted for balancing flexible shafts.
近十年來對於撓性軸轉子的平衡提出了並採用了多種方法。 - If you used a more flexible material for making these drillpipes, they would be able to sustain greater bending stress.
假如你使用一種更具撓性的材料來製造這些鑽桿它們就能承受更大的彎曲應力。
