opening valve time
... partition chromatography,分配色谱法 opening valve time,开阀时间 nonlinear programming,非线性计划 ...
opcningvalvetime
... 最小工作压差 minimum opcratingprcssurediffcrential 最大工作压差 maximum opcratingprcssurediffcrential 开阀时间 opcningvalvetime ...
duration of valve opening
... duration of validity 有效时间 duration of valve opening 开阀时间 duration of vision 视觉持续时间 ...