Carbonyls羰基化合物carbonn.碳；复写纸；复本；碳精棒Carbon steel riveted tube assemblies碳钢铆接管道组件carbon and nitrogen nutrient sources碳氮营养源Carbon Nanotube and Its Applications纳米碳管及其应用carbon humidity-dependent resistor碳湿敏电阻器carbon-steeL/water thermosyphon碳钢-水热虹吸管carbon and low-alloy steel vessels碳钢及低合金钢容器Carbon steel bonded plate assemblies碳钢粘合中厚板组件carbon accumulation and distribution同化物积累分配carbon/carbon composite materials碳/碳复合材料carbon-nutrient balance hypothesis碳-养分平衡假说