常見例句雙語例句At last, the formulation of allowable minimum bending radius limiting the change of the tube-wall thickness is derived, and proved to be of practical value.推導(dǎo)出限制彎管壁厚變化量的許用最小彎曲半徑公式，經(jīng)試驗驗證具有一定的實用價值。 返回 allowable bending radius