应按现行规范和标准

【化】 shall be in accordance with current codes and standards

应的英语翻译：

answer; echo; ought to; should; promise; respond; grant; deal with; suit

按的英语翻译：

according to; control; leave aside; press; push; refer to
【电】 press

现行规范和标准的英语翻译：

【化】 applicable codes and standards