lower film loop是什么意思

用法例句

The replacement and innovation of bottom ring for runner chamber of 1# unit of Xijin Hydropower Plant meets great difficulties due to complicated technologies involved.

西津水电厂一号机组转轮室下环更换改造工程施工难度大,技术较为复杂,为确保工程施工质量和顺利进行,根据实际情况,特编制了此工程施工技术措施,按时按质完成了一号机组下环的更换。

Selection of the formula for the buccal tablets under lingua of LMWH and observation of the pharmacodynamics;

低分子肝素舌下含片处方筛选及其药效观察