您要查找的是不是：
- 精练30Cr2Ni4MoVrefined 30Cr2Ni4MoV
- 精练酶scouring enzyme
- 精练漂白剂LTF-S128在纯棉前处理中的应用Application of scouring and bleaching agent LFT-S128 to cotton pretreatment
- 精练剂DA浓(具有低泡、渗透、洗涤功能，商名，英国ppt)Jetscour DA conc.
- 环保型精练剂KX-310用于棉织物冷轧堆前处理的工艺优化Cold pad-batch pretreatment of cotton fabrics with environmental-protecting scouring agent KX-310
- 但这两个关键概念经随后的判例法发展而被推敲得愈发精练。Both of these two pivotal concepts, however, have been refined by subsequent case law developments.
- 电冶金，利用电或电解方法来精练金属或将金属复合物熔炼为金属te use of electric and electrolytic processes to purify metals or reduce metallic compounds to metals
- 然后，他没有空谈，而是很快地安排议程。这种简洁精练的方式是其他人很少采用的。Then he lays out the agenda quickly and without gassing on and on,a laconic style that few others in the room practice.
- 我厂的主要产品有:转炉、电炉、钢包精练炉用镁碳砖、铝镁碳砖、无碳砖及板、水口、座砖、透气砖、冲击板等；转炉钢包浇注料、中间包用喷补料、铬质引流剂、增碳剂等不定耐火材料。Main products made in our factory cover magnesia carbon brick, alumina magnesia carbon brick and carbonless brick and carbonless brick for converter, electric furnace and ladle finer as well as slide plate, pocket block, vent brick and impact plate; pouring materials for converter ladle, gunning refractory for pouring basket, chrome conduction agent, carburant and other unshaped refractory.
