enclosed shaft
常见例句
- Totally enclosed, non-ventilated, hermetically sealed submersible type. Features include 416 stainless steel shaft, tandem mechanical seals (one inside an oil chamber and one outside);
全外殼、非風冷、全封閉潛水類型。配置416不鏽鋼軸，串聯機械式密封（一個在油室內，一個在外部） 返回 enclosed shaft