The level (upright) bus and its connection system, functional compartment and meter measure cell, ventilation system in the mix unit were expounded respectively.

对柜中水平(垂直)母线及其连接系统、功能隔室及表计测控室、通风散热系统分别进行了阐述，并采取措施加强柜体结构强度。

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Following his arrest in Oaxaca last year, Habacuc Cruz Cruz, a union organiser in the state, says that he was severely beaten and kept for three to eight days at a time in a tiny cell without light or ventilation, which measured just one square metre.

ECONOMIST: The long path towards justice