generator (or dynamo) room  发电机室

Recitaiton room; Teaching room; Class-room; Lecture room  教室

classroom; lecture room; recitation room; teaching room  教室

Classroom;Teaching room;Recitation room;Lecture room  教室

Lecture room; Classroom; Teaching room; Recitation room  教室

Teaching room; Classroom; Recitation room; Lecture room  教室

One class elementary school; One room school; One teacher school; Single room school  单班小学

one class school; one room school; one teacher school; single room school  单班学校

One room school; One class elementary school; One teacher school; Single room school  单班小学

One teacher school; One class elementary school; One room school; Single room school  单班小学

room in room  房中房

room in room structure  房中房结构

Single room school; One class elementary school; One room school; One teacher school  单班小学

A C dynamo  交流发电机

AC dynamo  交流发电机; 交流[电]动机; 交流电机

acyclic dynamo  单极发电机; 单极电机; 非周期性电机; 非周期性发电机

alternating dynamo  交流发电机

alternating-current dynamo  交流电机; 交流发电机; 二甲基二烯丙基氯化铵(HCA)

arc dynamo  碳弧灯用直流发电机