词汇	valve steel
释义	valve steel 阀门钢,阀钢,气门用钢材
随便看	length ball length bar length-based method Length basis length before bending Length begets loathing length between couples length between couplings length between draft marks length between flanges length between load-waterline perpendiculars length between perpendiculars length between perpendicularslbp length between perpendiculars, LPP length between perpends length between truck centers length between vices length biased sampling length-biased sampling length biassed sampling length block length box length,breadth,height length breadth index length-breadth index