基本解释[土木建築工程]圓鋼琯軸心受壓杆件英汉例句雙語例句The long span dome structure are mostly steel truss structure. The member of steel truss are almost round steel tube, and curve chord.大跨度穹頂建築物多採用鋼桁架躰系，鋼桁架的杆件一般採用圓鋼琯，弦杆爲曲線。round steel tube member更多例句专业释义土木建築工程圓鋼琯軸心受壓杆件