The shipment was delayed because the delivery truck had a mechanical problem on the highway.

由於送貨卡車在高速公路上發生機械故障，這批貨延誤了。

Our flight to Tokyo was canceled due to a mechanical failure in one engine.

我們飛往東京的班機因其中一具引擎機械故障而取消。

The plant is hiring a mechanical engineer to maintain its packaging equipment.

這間工廠正在招聘一名機械工程師來維護包裝設備。