基本解釋標稱外徑英漢例句雙語例句The reference standard, of convenient length, shall be prepared from a length of bar or tube of the same nominal outside diameter, material and heat-treatment as the material examined.對比試塊應(yīng)從與待檢材料有相同的公稱外徑、材質(zhì)和熱處理狀態(tài)的棒或管上制取。www.jxcad.com.cnnominal outside diameter更多例句詞組短語短語nominal outside diameter of tubing [油氣]油管公稱外徑nominal outside diameter更多詞組專業(yè)釋義機械工程公稱外徑