名词
中文翻译：内花键联轴器
同义词：
['internal spline coupling', 'internal spline joint']
例句：
-
1. The involute coupling is a critical component for the machine's smooth operation.
内花键联轴器是机器平稳运行的关键部件。
-
2. The engineer carefully selected the right involute coupling to ensure optimal performance.
工程师仔细选择了合适的内花键联轴器，以确保最佳性能。
-
3. During maintenance, the technician replaced the worn involute coupling with a new one.
维护期间，技术人员用一个新的内花键联轴器替换了磨损的联轴器。