external inversion的用法和樣例：
例句
- Range of movement in the foot and ankle includes inversion and eversion at the subtalar joint.
腳和腳踝的運動範圍包括距下關節處的內翻和外翻。 - Wet meal eversion using scraper chain structure, part of the first round of the drive is external bearings, by reducing solvent gases erosion of mechanical problems.
濕粕刮板採用外翻式鏈條結構，頭輪部分的傳動軸承是外置的，減少因溶劑氣體的侵蝕而發生的機械故障。
