Experiments were carried out in great britain and american on the impregnation of wood with vegetable tars and extracts . 在大不列颠和美州就进行过用植物焦油和提取物来浸渍木材的试验。
As long as the price of crude oil continues to increase, the technology and money for tar sands mining will probably be found . 只要原油的价格继续上涨，开采油砂的技术和投资是会有的。
Test method for ash in coal tars and pitches 测试煤焦油和硬沥青中灰分的试验方法
Method for preparation of coal tar pitchs specimens 煤沥青试验室试样的制备方法
Standard specification for creosote - coal tar solution 杂酚油-煤焦油溶液的标准规范
Coal tar base oil - terminology ; german version en 12303 : 2000 煤焦油基油.术语
Standard test method for distillation of road tars 路面焦油蒸馏的标准试验方法
They put tar on their feet to run in races 他们赛跑时会把沥青涂在脚上跑步。
Survey on occupational warts in tar exposed workers 接触焦油沥青工人职业性疣赘调查
Specification for coal tar creosote for wood preservation 木材防腐用煤焦杂酚油规范
