cubic ft./min

cubic ft./min CUBIC FT怎么算 cubic ft ft 81米~换成英尺英寸是多少?几ft几min?几ft几in tr/min,rpm,m/min,ft/min,In/min都是什么意思应该都是转速单位,但这些有区别吗? 水泵中的参数 15m-800L(50ft-212usg)/min什么意思 A display case is in the shape of a rectangular box with a square base.Suppose the volume is 21 cubic ft and it costs $1 per square ft.to build the glass top and $0.50 per sq.ft.to build the sides and base.If x is the length of one side of the base,w 请问 1cubic feet=?cubic cm cubic Ia3d是什么 Cubic convolution interpolation cubic-zirconia是什么意思 cubic centimeter是什么意思 cubic boron nitride是什么意思 A man starts walking north at 6 ft/s from a point P.Five minutes later,a woman starts walking south at 4 ft/s from a point 470 ft due east of P.At what rate ( in ft/s ) are the people moving apart 15 min after the woman starts walking?Please round yo Dia.Ft. ft 是什么意思?