smoke density
短语词组
- smoke optical density 菸氣光學密度
- photoelectric smoke -density controller 光電菸密度控制器
- smoke density meter [環境]菸濃度計;菸密度測量器
- smoke density chamber 菸密度室
- high smoke density smoking 高密度燻菸燻制
- the smoke density 菸密度
- smoke density detector 排菸濃度探測器
- optical smoke density test 光學菸霧密度試騐 返回 smoke density