词汇	centerboard well
释义	centerboard well 垂板龙骨井
随便看	fractional coordinate fractional coordinates fractional correction fractionalcorrection rule fractional correction rule fractional correlation fractional cosine tansform fractional cosine transform fractional_cosine transform fractional counting loss fractional coverage fractional covered graph fractional crystalliz fractional crystallization fractional-crystallization fractional crystal lization fractional crystallization/accumulation fractional crystallization series fractional crystallizaton fractional cultivation fractional culture fractional cumulative yield fractional curettage fractional curettage of uterus fractional currencies