例句與造句

1. Standard test method for retroreflectance of horizontal coatings
   平面涂層回復(fù)反射的標(biāo)準(zhǔn)試驗(yàn)方法
2. Standard specification for minimum retroreflectance of newly applied pavement marking using portable hand - operated instruments
   使用便攜式手操作裝置對(duì)新應(yīng)用人行道標(biāo)記的最小回射測(cè)定的標(biāo)準(zhǔn)規(guī)范
3. It's difficult to find retroreflectance in a sentence. 用retroreflectance造句挺難的