基本解釋公稱通徑；公稱直徑；公稱管徑英漢例句雙語例句Nominal diameter and flow valves, basically the same breath for full-bore type, Circulation than nominal diameter valve is given. it small called non-reducing type.流道孔徑與閥門公稱通經(jīng)，基本相同的為全通徑式；流通孔徑比閥門公稱通經(jīng)小的稱為縮徑式。The parameters studied include the velocity of deflagration flame in smooth bore tube, the influence of nominal ignition energy on flame acceleration and the generation of high flame velocity.管道直徑和點火能量的變化以及當管道內(nèi)有障礙物時對火焰加速度的影響。nominal bore更多例句詞組短語短語Nominal l bore 公稱通徑NOMINAL BORE DIAMETER [機]公稱內(nèi)徑nominal bore更多詞組專業(yè)釋義機械工程公稱通徑