pitch of chain

例句：

1. 1. The engineer measured the pitch of the chain to ensure it was within specifications.
   工程师测量了链条的直径，以确保它符合规格。
2. 2. The carpenter used a measuring tape to determine the pitch of the chain on the door hinge.
   木匠使用卷尺来确定门铰链上链条的直径。
3. 3. The construction worker had to replace the chain that had worn out due to its high pitch.
   建筑工人不得不更换由于其高直径而磨损的链条。