1)column characteristics,柱性能2)PEER Column Performance Database,PEER柱性能数据库3)sacrificial pile,消耗性金属柱<能>4)performance design equation of RC frame beam and column,框架梁柱性能设计方程5)column efficiency,柱效能6)intelligent drill string,智能钻柱
用法例句
The substitution of the medium-polar carbowax 20 Mfor the poalrer carbowax 2000 in the preparation of the gas chromatographic columns increases the column efficiency and the chronatographic separation degree.
