strength grade

基本解释

Good performance colored dry mixed mortar with strength grade of M5~M15 can be prepared by different cement-sand ratio.
按不同的灰砂比可配制強度等級爲M5～M15工作性能優良的彩色乾混砂漿。
Based on the ISO time-temperature curve, reinforcement cover, reinforcement and concrete strength grade, load level and thickness of slabs are discussed for the fire resistance.
竝以標準陞溫爲條件，探討了不同的鋼筋保護層厚度、鋼筋及混凝土強度等級、荷載水平、板厚等因素，對鋼筋混凝土簡支板抗火性能的影響。
Surrounding concrete strength grade shall not be less than core concrete strength grade, but also not too high, it is recommended that it is higher two grades up to core concrete strength grade .
加固用混凝土強度等級不得低於原混凝土強度等級，也不宜過高，建議最多可比原混凝土強度高兩個等級；

Lost in the celebration of those halcyon Charleston days is that the era spanning 1920 (when the 18th Amendment became law) to 1934 (when the amendment was repealed) was marked by raging culture wars, rampant xenophobia, political upheaval, and threats of death or worse that came more often via poisonous industrial-strength alcohol masquerading as low-grade liquor than the rat-a-tat-tat of a Tommy gun.
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