2026-05-06 08:29 浏览次数 14
[化工]
1. tar formed in making carbureted water gas and used chiefly in tar road materials
gas works tar煤气焦油
gas s tar煤气焦油
water-gas-tar creosote水煤气焦杂酚油
gas house tar煤蒸馏副产品
producer gas coal tar发生炉煤焦油
oil gas a tar石油裂解焦油
water-gas s tar creosote水煤气焦杂酚油
gas works tar pitch煤气厂焦油
3 Pintsch gas tar
高温裂解焦油
3 oil gas tar pitch
油气焦油的沥青