方形环棱螺6) screw flight 螺棱 1. The dynamical character and response of different-speed mixer shafts screw flight are obtained by using finite element method to analyze the harmonic response. 采用有限元方法对搅拌轴螺棱进
螺柄制成环状的木螺丝。 16. stressed collar 剪力环(螺栓联接) 17. Addition of chamfering shape on seating surface of joint bolt at atf cooler pipe area. 倒棱增加物的塑造在自动制冷管的范围内、头螺栓的座套表面。 18. Studies on the Water Soluble Constituents from Xanthochorus Nilgheriensis (Mon...