大家都搜：
内径；焊条直径
1、pitch diameter───层心直径，（齿轮的）节径，（螺纹的）中径；[机]节圆直径
2、core───n.核心；要点；果心；[计]磁心；vt.挖...的核；n.(Core)人名；(英)科尔；(西、意)科雷
3、outside diameter───外直径；外径
4、diameter───n.直径
5、dime diameter───一角直径
6、inside diameter───[数]内径
7、equatorial diameter───赤道直径（等于12753.44公里）
8、hydraulic diameter───[机]水力直径；水压直径
9、shilling diameter───先令直径
1、Here's the core diameter, it's about three and a half meters.───这是核心的内径，这是大约3米半。
2、Table of Nominal Core Diameter of Pipe, Axial Displacement, Lateral Displacement and Angular Displacement───管子公称通径和轴向位移、横向位移、角向位移表
3、An optical fiber evanescent wave methane gas sensor based on core diameter mismatch is reported.───一种基于纤芯失配的光纤倏逝波甲烷传感器。
4、An optical fiber evanescent wave methane gas sensor based on core diameter mismatch is reported.───提出一种基于纤芯失配的光纤倏逝波甲烷传感器。
5、investigated the relation among the P wave velocity, the micro-crack in rock with the variation of core diameter.───探讨了岩石的微观裂隙、ChaoShengBo速度与岩芯变形之间的关系。
6、The Realization of Photonic Crystal Fibers with Closing to Zero and Flattened Chromatic Dispersion by Changing the Core Diameter───通过调节纤芯大小实现接近零色散的色散平坦光子晶体光纤
7、Single mode optical fiber is brittle because core diameter is too small, so multimode optical fiber is selected.───由于单模光纤的纤芯太细，容易折断，因此许多情况下，采用多模光纤作为传感器的传感元件。
8、The output characteristic of hundred-micron core diameter fiber laser and its mode control technique are researched.───研究了阶跃折射率分布的百微米芯径双包层光纤激光器的输出特性及其模式控制技术。