reference mass造句
例句與造句
- Standard specification for reference masses and devices for determining mass and volume for use in the physical testing of hydraulic cements
水硬水泥物理試驗中質(zhì)量和體積測定用標(biāo)準(zhǔn)質(zhì)量與設(shè)備的標(biāo)準(zhǔn)規(guī)范 - It's difficult to find reference mass in a sentence. 用reference mass造句挺難的