单词	互相扶持之約
释义	同Confederation
随便看	bending-form test bending fracture bending frequency bending growth bending inwards bending iron bending jackstay bending jackstay-- jackstay bending jackstay; jackstay bending length bending load bending load effect bending loss bending loss of lp mode bendingly bending machine bending maching (bender) bending magnet bending modulus bending modulus of rupture bending moment bending moment diagram bending-moment diagram bending moment envelope bending moment influence line