bakelite的精选

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用“bakelite”造句大全，bakelite造句

用“bakelite”造句大全，bakelite造句

2017-09-26
bakelitereceptacles;bakelitesocketsThepresentinventionisbakeliteidleranditsmakingprocess.Themateriallookstotheeyelikeplastic,butitisreallybakelite.Foundedin1983,wearespecializedinbakelite,urea,melamin...