例句與造句

1. An assembly of metal-clad switchgear and a step-up outdoor substation are shown at the generating station .
   在發(fā)電站處表示出了一組帶有金屬外殼的開關(guān)裝置和一個(gè)戶外升壓變電站。
2. It's difficult to find step-up in a sentence. 用step-up造句挺難的