Test Method for Time of Setting of Portland-Cement Pastes Containing Accelerating Admixtures for Shotcrete by the Use of Gillmore Needles是什么意思_Test Method for Time of Setting of Portland-Cement Pastes Containing Accelerating Admixtures for Shotcrete by the Use of Gillmore Needles在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句