例句與造句

1. This mounting was designed to allow the engineer to view the signal when driving a steam or diesel locomotive with a long nose that restricted the view to the left . In most situations, especially where bi-directional running was implemented, signals needed to be mounted above the track or on bracket masts to allow this right hand placement.
2. It's difficult to find bracket mast in a sentence. 用bracket mast造句挺難的