基本解釋[能源科學技術]鉆柱轉換接頭英漢例句雙語例句It shows that the fractures of drill-stem subs are ascribed to outside diameter and the irrational bend strength between inside and outside threads.通過分析計算認為，鉆柱轉換接頭斷裂原因與外徑不符合標準及內(nèi)、外螺紋接頭彎曲強度比不合理有關。drill-stem subs更多例句專業(yè)釋義能源科學技術鉆柱轉換接頭