常見例句雙語例句The optimum design of plane quadratic enveloping ring surface worm drive has been realized using the theory and method of optimization.針對平面二次包絡(luò)環(huán)面蝸桿傳動，運用優(yōu)化理論和方法，對其進行了優(yōu)化設(shè)計。 返回 enveloping ring