词汇	union ell
释义	union ell. 接头活管接
随便看	product of chemical industry product of Ci product of combustion product of complete set Product of conception product of difference Product of differential operators product of distillation Product of divisors product of educational service product of electrode product of electrolysis product of events product of everyday consumption Product of exponential Formula product of exponentials Product of exponentials formula product offering product of fractal product of fuzzy matrices product of fuzzy topological groups product of generating function product of generating functions product of graph product of higher education