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- valve Group protection 阀组保护
- MINGZHU BALL VALVE GROUP CO., LTD. 广东明珠球阀集团股份有限公司。
- AMERICAN HANOVER VALVE GROUP INC. 美国汉诺威阀门集团有限公司。
- China.Hundred Sichuan valve group limi. 发布者:中国.;百川阀门集团有限公司。
- The advancement of selective mono functional group protection of dihydric alcohol in recent years was reviewed with 21 references. 本文综述了近年来有机合成中二元醇类化合物的选择性单官能团保护的研究进展。
- Welcome to KaiWeiXi Valve Group, We wholeheartedly provide the high quality product and satisfaction services for you.Please hold on! 您好,开维喜阀门集团欢迎您的来电,我们全心全意为你提供优质的产品和满意的服务。请稍候。
- Welcome to calling china tiansheng valve group, the phone call is connecting now, please hold on, we will provide the best service for you. 欢迎致电中国?天胜阀门集团,电话正在接通中,请稍等,我们将为您提供最优质的服务。
- With Williamson Valve Group yearseffort on quality control system， ISO9001 quality assurance certificates have been awarded to Williamson Valve Group for the qualitymanagement. 经过多年致力于质量控制体系的努力，威廉姆森阀门取得了ISO9001质量治理证书。
- Based on exceptional technologies and reliability, Williamson Valve Group strived for research and development of new products and its valvesacquired ABS certificate and CE marking for Europe market. 凭借阀门产品领先的技术和可靠的性能，威廉姆森阀门集团致力于新产品的研发，阀门产品取得了美国造船协会的ABS证书和进入欧洲市场的CE认证。
- Yong Yi Valve Group Co., Ltd. 永一阀门集团有限公司。
- How can members of inferior groups protect their interests in the face of ever aggrandizing economic powers? 弱势群体面对日益强大的经济强者如何保护自身的利益；
- Study on Hydroxy Group Protection of Lactic Acid 乳酸羟基保护的研究
- Generator-Transformer Group Protection 发变组保护
- The converter stations operate in bipolar mode with two series-connected, twelve-pulse valve groups per pole, in which light-triggered thyristors are used. 变流器站与有两个串行联接，每极脉冲数为12的双极模块上操作。
- disadvantaged group protection principle 弱势群体保护原则
- generator and transformer group protection 发变组保护
- The influencing factors of condensation reaction were investigated such as anhydrides, base agent, temperature, carboxyl group protected of Gly and Asp. 探讨了成酐和碱性试剂,反应温度,甘氨酸和天冬氨酸羧基保护等对缩合反应的影响。
- Valve group for oxyegn pressure regulating 氧气压力调节阀组
- Have you turned off the water valve? 你关掉水阀了吗？
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
