例句與造句

1. rules for the preparation of detail specifications for two-part printed board electrical connectors and board-mounted transition devices of assessed quality for d . c . and l . f . applications : full and basic assessment levels
   直流和低頻用經(jīng)質(zhì)量評定的雙件式印制電路板插接件和轉(zhuǎn)接裝置詳細(xì)規(guī)范的編制規(guī)則.全面和基本評定級
2. It's difficult to find transition device in a sentence. 用transition device造句挺難的