adj.石棉性的(不燃性的)

The present state of non asbestic friction material production in China and requirement in early years of 21st century are presented. 分析了我國非石棉摩擦材料生產(chǎn)的現(xiàn)狀及21世紀初的需求量;

Keywords automobile;non asbestic friction material;present state; 汽車;非石棉摩擦材料;現(xiàn)狀;

asbestic half round tile 半圓形石棉瓦

asbesto identifying 石棉