封液 meaning in Chinese

sealing liquid

Yao filter products are licensed , non - liquid pump seals , may idling portable pumps , pump more than 30 other specifications
现产品有瑶池牌过滤机、无轴封液下泵、可空转手提泵、自吸泵等30多个规格。
The theoretic researches emphasize on working mechanism , ability of sealing fluid , influential factors of the helical axial seal and the optimal design of the seal ' s structural parameters has been performed . based on the design for experiment of the helical axial seal in the laboratory , the working mechanism and the optimal results for the structural parameters of the helical axial have been verified , and then it is applied into the reforming of the equipments in the jinxi petrochemical complex where the author works
对螺旋密封的工作原理、封液能力、影响因素等进行了理论研究，对螺旋密封的结构参数进行了优化设计，并设计了螺旋密封台架对螺旋密封理论和螺旋密封结构参数优化结果进行试验验证，进而把螺旋密封应用于作者所在的锦西炼油化工总厂的设备改造上，取得了一定的经济效益和社会效益。