top flange

例句：

1. 1. The new machine has a top flange that can be adjusted to fit different parts of the workpiece.
   这台新机器有一个可调节的顶法兰，可以适应工件的不同部分。
2. 2.The engineer carefully measured and cut the top flange to ensure it would fit perfectly.
   工程师仔细测量并切割了顶法兰，以确保它能够完美地安装。
3. 3.The top flange is crucial for ensuring the machine's stability and accuracy during operation.
   顶法兰对于确保机器在操作过程中的稳定性和准确性至关重要。