標(biāo)題: ASTM D 2444-1999 用落錘法測(cè)定熱塑性塑料管和配件耐沖擊性... [打印本頁(yè)] 作者: 兌水 時(shí)間: 2009-10-2 10:43 標(biāo)題: ASTM D 2444-1999 用落錘法測(cè)定熱塑性塑料管和配件耐沖擊性... D2444-99 Standard Test Method for Determination of the Impact Resistance of Thermoplastic Pipe and Fittings by Means of a Tup (Falling Weight)