谁能翻译这道题：A closed surface in theform of cylinder of rudius R,

The mass of a grade A steel cylinder manufactured in a facto 英语翻译A container in the shape of a right circular cylinder ha 英语谚语翻译1.A closed mind is like a closed book; just a block of 翻译：To spread over the surface of 怎么选择 Fish are swimming __the surface of the water.A:in B ove the inner surface of the top of a Surface of perfect if god closed a door in front of you there must be a window God closed a leafed door for you to open a leaf of window in 1.The weight of a cylinder varies as the square of the diame 英语翻译The effect of laser surface texturing on transitions in 翻译parallel alignment of the clamping surface,relative to the