seals and sealing devices meaning in Chinese
密封装置
Examples
- Difficulties : typical structure and application areas for accumulators , filters , reservoir , piping / tubing and connectors and seals and sealing devices
难点：典型的蓄能器、过滤器、油箱、管件、密封装置的基本结构、特点及应用场合。 - Emphasis : grasp the types and operating principle of auxiliary components for hydraulic systems , such as accumulators , filters , seals and sealing devices
难点：典型的蓄能器、过滤器、油箱、管件、密封装置的基本结构、特点及应用场合。