ASTM C450公称尺寸的管件,容器隔热层用绝热配件覆盖物生产的标准规范
日期:2012-02-13 21:39
ch method has certain advantages and disadvantages, depending upon the material to be formed, number of cuts required, material waste permissible, and quantity of fittings being produced. Fitting parts are assembled using adhesives and fabrication cements applied using dip pots, rollers, doctor blades, brush, or trowel, depending upon the materials being used. Any specification of the fabrication techniques is beyond the scope of this standard.
1.3 The values stated in inch-pound units are to be
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12/23 23:43