lower chord
基本解释
- 下弦;下弦杆;下楔材料
英汉例句
- The lower chord of a vierendeel truss, when loaded, is subjected to the combined action of prestressed compression, large axial tension, moment and shear.
空腹屋架下弦处于预压力、强大的轴拉力、弯矩和剪力共同作用下工作。 - End face with a gap, no boss butt is refers to the upper and lower casing left a certain gap between the upper and lower main chord rod end face at the same time contact.
端面无间隙对接是指将套管与主弦杆焊接后,端面经过机械加工,上、下主弦杆与套管端面依靠螺栓外径与套管内径定位对接。 - End face with a gap, no boss butt is refers to the upper and lower casing left a certain gap between the upper and lower main chord rod end face at the same time contact.
端面有间隙、带凸台对接外形是指在标准节上部主弦杆上焊有定位凸台,定位凸台伸人另一标准节主弦杆内,上、下套管之间留有一定间隙配合定位。
双语例句
词组短语
- lower -chord panel point [建]下弦节点
- lower chord length 上弦杆长度
- lower chord member support 下承式
- lower chord panel points 桁架的下弦杆节点
- lower chord bracing 下弦支撑
短语
专业释义
- 下楔材料
- 下弦杆