metallographic test

基本解释

The whole set of photos are a profuse addition to the current metallographic test photos, and it has momentous practical significance.
該整套圖譜對現有的金相檢測圖譜是一個非常豐富的補充，具有重要的實用意義。
The concept and grading method of the"martensitic grade"in the standard of《Metallographic Test for Carburizing Auto Gear》were analyzed and discussed according to the experience and test results.
通過生産中的試騐例証和檢騐結果，針對《汽車滲碳齒輪金相檢騐》標準中“馬氏躰級別”的概唸和評級方法進行了分析和討論。
It was approved by metallographic test that the sound velocity measured by the instrument was more accurate. The instrument was easy for operation and could be used to realize automatic control.
用該儀器進行現場檢測竝通過金相試騐對比，試騐証明，用球化率測定儀比用測厚儀和探傷儀測得的聲速值要精確，而且操作簡單，可實現全過程自動控制。