直角止回阀

angle of rib【解剖】;angulus costae【解剖】;costal angle【解剖】

angle of glide【航】;glide angle【航】;gliding angle【航】

rotational-angle operation foot switch for unlimited rotational-angle operation

equal angle steel with round edge

viewing angle

wide-angle common depth point\nWACDP\n地物

wide-angle horizon sensor【电子】

transverse pressure angle【机】