Reciprocating internal combustion engines - exhaust emission measurement - part 3 : definitions and methods of measurement of exhaust gas smoke under steady - state conditions 往复式内燃机排放测量第3部分:稳态工况排气烟度的定义和测量方法
Digital audio tape recorder reel to reel system , using 6 , 3 mm magnetic tape for professional use - magnetic tape properties : definitions and methods of measurement 6 . 3mm磁带专业用数字磁带录音机带盘系统.第4部分:磁带性能:定义和测量方法
Digital audio tape recorder reel - to - reel system , using 6 , 3 mm magnetic tape , for professional use ; part 4 : magnetic tape properties ; definitions and methods of measurement 专业用采用6 . 3mm磁带的数字音频盘式磁带录音系统.第4部分:磁带性能.定义和测量方法
Digital audio tape recorder reel - to - reel system , using 6 , 3 mm magnetic tape , for professional use . part 4 : magnetic tape properties : definitions and methods of measurement 使用6 . 3 mm磁带的专业用数字音频磁带录音机带盘系统.第4部分:磁带性能:定义和测量方法
