通过挥发或离心作用提高胶乳的浓度.The latex concentration is raised by evaporation or centrifugation.结果表明,燕化公司研究院研制生产的YH -05 羧基丁苯胶乳各项性能指标与Dow-675、SD -656 相当.The results showed that behavior of YH - 05 similar to Dow - 675 and SD - 656.阐述...
她那暗色的嘴微微启开,露出洁白的小牙齿.Her dusky mouth was parted slightly to show tiny white teeth.船又静悄悄地向陆地蠕动, 船后留下长长一道暗色的浪迹.The ship crept in towards the land, silently, leaving a long dark track behind her.“月海”是圆形洼地,覆盖着暗色的松散物质,而不是坚硬的岩石...
The Growth and Decline of the Carolingian Empire.法国加洛林王朝的兴衰.Carolingian dynasty: Family of Frankish aristocrats that ruled nearly all or part of western Europe in 750 - 887.加洛林王朝: 统治西欧的法兰克家族(750～887)....
水慢慢流走了，渗入了疏松的土壤。The water slowly drained away, down through the porous soil.通过按摩让洗发香波渗入头皮。Massage the shampoo into the scalp.硝酸盐由土壤渗入江河。Nitrates leach from the soil into rivers....
Extrusion System: frequency variable motor, cycloidal pin gear speed reducer and high qualitynitrifiedfeed cylinder screw.挤出系统: 变频调速电机 、 摆线针轮减速箱加优质氮化料筒罗杆.It was so still you could have heard a pin drop.这是那样的寂静, 连一根针落地的声音...
A group of apprentics were operating the hydraulic press.一群学徒正在开动水压机.His skin will flush - indicating that capillaries are operating at full capacity.他的皮肤会发红,这说明毛细血管正尽全力工作.Up to ten thousand Zimbabwean soldiers are opera...