单词：crown face
crown face的用法和样例：
例句
- Face-to-Face dimensions of standard raised face flanged end valves are shown on catalog pages covering dimensions for each valve.标准凸面法兰端口阀门的面对面尺寸在每个阀门的介绍页面中列出。
- On special application, Pacific valves can be supplied with special end flange facings other than the raised face or ring joint.对于特殊的应用环境，美国太平洋阀门可提供与凸面或环连接不同的特殊端口法兰面。
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