吊桿附加彎矩 additional bending moment: 附加彎矩boom derrick: 帶吊臂的起重塔; 吊桿轉(zhuǎn)臂起重機(jī)derrick boom: 吊貨桿;吊桿;起重桿; 起貨吊桿; 起重機(jī)吊桿bending moment: 撓矩; 彎矩;力矩; 彎距; 彎曲矩; 彎曲力矩; 彎曲率moment of bending: 彎曲力矩下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯