caoutchouc
【运输】生橡胶，硫化，方法
caoutchouc, vulcanising, methods
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相关词条
sheathing metal wire with caoutchouc
impregnating fabrics with caoutchouc, latex
impregnating threads, fabrics with caoutchouc
caoutchouc methods
layered products of metal and caoutchouc
caoutchouc【橡胶】;raw rubber【橡胶】
sheathing cable with caoutchouc