专业规范和军工特色
specialization regulation and military industry fe
气化-煅烧绿色工程
green engineering in coal conversion technology
MEMS加工工艺
MEMS manufacturing technology
保色工艺
green color preservation technology
北京石油化工工程公司环保所
Beijing Petrochemical Engineering Company EPI
泵吸反循环施工工艺
pumped reverse circulation workmanship
变掺量施工工艺
Construction Technique of Cement Addition Variation
表面微加工工艺
Surface-micromachining process