dry valve shaft

例句：

1. 1.The engineer carefully inspected the dry valve shaft before installing it in the machine.
   工程师在安装机器前仔细检查了干燥的阀门轴。
2. 2.The dry valve shaft was essential for ensuring the smooth operation of the pump.
   干燥的阀门轴对于确保泵的平稳运行至关重要。
3. 3.During maintenance, the technician replaced the dry valve shaft with a new one to prevent any potential leaks.
   维护期间，技术人员用一个新的干燥阀门轴替换了旧的，以防止任何潜在的泄漏。