intrados
美 [?n'tre?d?s]
英 [?n'tre?d?s] 
- n.【建】拱腹(線)
- 網絡內弧面;拱的內表面;拱腹線
英漢解釋
英英解釋
例句
the mechanical properties at the intrados and extrados of the elbow are obvious different.
使該彎頭外弧和內弧力學性能存在明顯差異。
and the friction plate (4) is beset on the intrados of the left clamping plate (1) and the right clamping plate (2) respectively.
摩擦片(4)分別鑲嵌在左夾板(1)與右夾板(2)內弧面上。
Study on Processing Approaches of Elliptical Intrados of Drum Brake Linings
鼓式制動片內弧橢圓加工方法研究
Crack Treatment of Member and Arch Sheeting on Intrados of Roof Truss-Arched Flume
桁架渡槽桿件和底拱板開裂的處理