闂偣鏍囨补锛欬/strong>ASTM D92 116鈩 137鈩 163鈩 224鈩?nbsp;鍊剧偣鏍囨补锛欬/strong>A S T M D97 P5-250娴婄偣鏍囨补锛欬/strong>A S T M D2500 C5-250 C2-250 C10-250 C15-250 C20-250