ʯһʱȽڻʯԵġװУӻ̨桢̨ڵʺʹôʯʯƷƣʯѧ塣ʯȻװʯĵһ࣬һָװιܣԼӹɽʯĻƷѱʻδʵ̼ࡣйϴеɽľѤɫ뻨ƵʯĶʯָҡʯҡҡԼ̼ҾͬʴγɵϦҺʹҵȡ
ΣʯȻʱЧ֯ṹȣϵСӦʧΡ
ӲȸߣԺãӲȸߣĥǿ¶ȱС
ʹͿͣճάʹ
ֹֻۣܺڳҲܱԭܡ
ŻʱƽƶɬУܳʪӰ죬ƽƶá
ܣ2970-3070kg/m3ѹǿȣ2500-2600kg/cm3ϵ1.3-1.5106kg/cm2ˮʡ
Ҫڼӹɸβġģǽ桢桢̨ڼԽ籮ȵIJϡʯԵ̳ɹƷľߡƾߡʵƷʸͣװβϣҲ̵Ĵͳϡ
ʯɫΪɫΪƣнϸߵĿѹǿȺõѧܣڼӹžõķչӦ÷ΧԽԽҪá
رǴģɡҵӹʹװΰĴؽ뽨װװҵڹҲ˼ͥװΡþߣҾߡƾߡ̵̾ȡЩͼϡڿɡӹвʯ߽Ҳʯˮĥʯʯסʯ۵Ϳϡϡҵϡ