用“elliptical hole”造句大全,elliptical hole造句 国语站 造句 1.75W 大中小设置文本大小 Circle flange forming by prefabricated elliptical hole in stainless steel elbowThis paper gives an elastic analysis for an infinite plate weakened by an elliptical hole and being applied by concentrated forces and force couples. TAG标签:造句 elliptical #