laminar pearlite 层状波夹铁...coarse pearlite 粗糙波来铁...granular pearlite 球状波来铁...spheroidized pearlite 球状波来铁...residual pearlite 残留波来铁...pearlite cast iron 波来铸铁...pearlite malleable iron 波来铁展性铸铁...fine pearlite 细密波来铁...pearlite rim 白缘...divorced pearlite 分离型波来铁...
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