关于防腐木枕发展的建议北京木材防腐厂郝红我国自１９５１年开始生产防腐枕木，总共生产２５０Ｏ万ｍ３。按原设计使用寿命２５年计算，未经处理木枕寿命按最高年限１～５年计算，经防腐处理的木枕，为国家节约的圆木材积量（按５０％出材率计算）约１２０７０万ｍ３，创... Proposal on the Development of Preservative Wooden Poles Beijing Redwood Anticorrosion Factory Hao Hong China has started producing preservative sleepers since 1951 and produced a total of 2.5 million m3. According to the original design service life of 25 years, untreated wood sleeper life according to the maximum life of 1 to 5 years calculated by the anti-corrosion wooden pillow for the country to save the amount of round timber (at 50% timbering rate) of about 120.7 million m3 , Create ...