串级飞行时间质谱仪
Tandem time-of-flight mass spectrometer
串并联多质点系
series-parallel-connection system
船用钢质风雨密门
ship’s steel weather tight door
船舶附加水体质量系数
added water mass coefficient
传质系数KG·a
mass transfer coefficient
串联电能质量补偿器
series power quality com pensator