On the basis that understands base number , the sloping field that retreats this is retreated stoutly.

在摸清底数的基础上, 把该退的陡坡地果断地退下来.

互联网

A method for determining base number of lubricants by non - hazardous reagents was established.

建立了一种采用含破乳剂的水溶液作为萃取剂、以反滴定为基础的润滑油碱值测定方法.

互联网

Understand the base number of existing various, of all kinds talent, check solid.

把现有的各级 、 各类人才的底数摸清 、 查实.

互联网