| 不知道有没有熟悉ASME认证的，总之我现在遇到麻烦了，跪求下面文字的翻译。请各位达人帮帮忙，***在线等！！！ Fiber-reinforced plastic laminates may have a modulus of elasticity as low as 6900兆帕，compared with that of ferrous materials which may be of the order of 2.1× *域名隐藏* low modulus characterisic requires careful consideration of vessel profile in order to minimize bending and avoid buckling. Spherical heads or elliptical heads having an ellipse ratio not greater than 2:1 are suggested. Spherical heads are suggested when the material has isotropic properties. Elliptical heads are preferred when the material has anisotropic properties.
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发帖时间 - 2005/7/5 9:14:19