narrowing shaft

例句：

1. 1. The engineer carefully measured the dimensionsof the new machine to ensure it wouldfit into the narrowing shaft.
   工程师仔细测量了新机器的尺寸，以确保它能够适应狭窄的轴。
2. 2. The construction crewhad to work around the narrowing shaftto access the machinery.
   施工队伍不得不绕过狭窄的轴来接触机械设备。
3. 3. The narrowingshaft was a challenge for the workers asthey struggled to maintain the balance of themachine.
   狭窄的轴对工人来说是一大挑战，因为他们努力保持机器的平衡。