单词：packing ring
[医] 充填圈
packing ring的用法和样例：
例句
- A special retainer ring holds the two sealing ring faces together.一个特殊的固定环将密封环的表面靠在一起。
- These unions also have a resilent nitrile seal ring.装有弹性丁晴橡胶密封环。
- Make an inventory of all ring gaskets.开一个所有垫圈的清单。
- Standard NIBCO iron valves are furnished with Synthetic Fibers and Graphite packing, along with Synthetic Fibre gaskets.标准美国尼伯科铸铁阀门配置合成纤维和石墨填料，以及合成纤维垫圈。
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