Polyurethan
美 英
例句
FOUNDRY PRODUCTS. DUCTILE IRON PIPES FOR PRESSURE PIPELINES. POLYURETHAN EXTERNAL COATING.
铸造产品.压力管道用球墨铸铁管.聚氨酯涂层
polyurethan paint Polyurethhanlack-Oberfl(a)che
(聚胺脂)树脂涂料