关于bitumen的百科

• bitumen造句怎么写

• 1、hessian-bassedbitumensheeting2、bitumenleadfirstcoatinganticorrosive3、Fibreglassreinforcedpetroleumbitumenmembrane4、Ablack,viscousnaturalbitumen.5、Andtheyhadbrickforstone,andbitumenformortar.6、Propositiononimprovingcastingbitumenconcretecentra...
• 2024-02-0529968