external frame的用法和樣例：
例句
- The highest torsional moment to failure was obsered for the external fixator with moderate axial stiffness and high shear stiffness.
失敗的最高扭矩觀測到的中度軸向剛度高剪切剛度外固定架。 - The form of earthing board and cable fixed frame can be changed as actual conditions.
接地排與電纜固定架的形式和尺寸可根據實際情況作適當改動。
