Tentatively, this study introduced simple and economical Dynamic Cone Penetrometer (DCP) and Impact Soil Tester (IST) for facilitating the investigation of subgrade and upgrading its quality.

 
  • 為此,本研究嘗試導入簡(jiǎn)易且低價(jià)位之動(dòng)態(tài)圓錐貫入儀(DCP)與土壤沖擊測定器(IST),來(lái)調查路基之工程性質(zhì)。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan