bitumen造句
1、hessian-bassedbitumensheeting2、bitumenleadfirstcoatinganticorrosive3、Fibreglassreinforcedpetroleumbitumenmembrane4、Ablack,viscousnaturalbitumen.5、Andtheyhadbrickforstone,andbitumenformortar.6、...
1、hessian-bassedbitumensheeting2、bitumenleadfirstcoatinganticorrosive3、Fibreglassreinforcedpetroleumbitumenmembrane4、Ablack,viscousnaturalbitumen.5、Andtheyhadbrickforstone,andbitumenformortar.6、...