common logarithm,denary logarithm是什么意思

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用法例句

Based on the relationships between workpiece coordinate system and tool presetting,essentials of tool presetting are expounded,as well as tool presetting methods and process of usual cutting tools.

本文深刻分析了数控车床的对刀原理和对刀涉及的基本概念,从工件坐标系建立与对刀关系的角度展开论述,说明吩刀的实质,以及常用刀具的对刀方法与步骤。

Usage and maintenance of welding and cutting machines(13) --Debugging of silicon arc welding rectifier and application of common components;

焊接与切割设备的使用和维修(十三)——晶闸管弧焊整流器的调试和常用元件及其应用

? The anticorrosion,characteristics of common materials for dyestuff equipment under different medium and different technical conditions are described.

概述了染料工业设备常用材料在不同介质和工艺条件下的耐腐蚀性能 ,分析、比较了不同材料制造的常压设备单位面积造价。

This paper introduces the designing ideas,the system structures,the database structure and the system functions for the nature environment corrosion database system of common materials.

介绍常用材料自然环境（大气、海水、土壤）腐蚀数据总库的设计思想，总库系统结构设计，总库库结构设计，总库管理系统功能设计。