Springs and rivers that drain into lakes carry dissolved nitrates and phosphates.流入湖中的泉水和河水携带了溶于水的硝酸盐和磷酸盐。Nitrates are chemicals that occur naturally in water and the soil.硝酸盐是水和土壤中自然存在的化学物质。Nitrates leach from the soil ...
After a few more words, Ke - ming and his wife and daughter departed.他们交谈了几句话, 克明 便带着他的妻女回到自己的房间去了.Ke - ming made no comment; he only smiled coldly and walked out.克明 不说什么, 只是冷笑一声就走了.Servants carrying platters : of food o...
在流体中, 张力和切力通常可以忽略不计.In fluids, forces of tension and shear can often be ignored.加入适量的PF - HIN, 以降低泥浆的粘度和切力.Add adequate PF - THIN to reduce the viscosity and gels of the mud.我公司生产的平压模切机系列产品具有安全性 、 易操作性 、 稳定性 、 耐久性和强压切力等特...
The author tried to depict the splendor of the sunset.作家试图摹写落日的光彩.Although we still depict nostalgic snow scenes on Christmas cards, winters are now very much warmer...虽然我们仍在圣诞卡上描绘着具有怀旧气氛的雪景,但现在的冬天比过去暖和多了。The unpremedita...