column life中文什么意思

柱寿命

柱效率

• column:    n. 1.【建筑】圆柱；圆柱状物〔如 ...
• life:    n. (pl. lives) 1.生 ...
• column life-time:    柱寿命

例句与用法

1. The spinal colarnn is a three - pyramidal column lives by many triangles
   按时述山等标准评定优31例，良8例，可3例，优良率达93 %以上。