例句與造句

1. Ventilation for buildings - components products for residential ventilation - required and optional performance characteristics
   建筑物通風(fēng).住宅通風(fēng)用部件產(chǎn)品.必須的和可選的性能特征
2. Ventilation for buildings - components products for residential ventilation - required and optional performance characteristics
   建筑物通風(fēng).住宅通風(fēng)用組件產(chǎn)品.要求的和可選的性能特征
3. Ventilation for buildings - components products for residential ventilation - required and optional performance characteristics ; german version en 13142 : 2004
   建筑物的通風(fēng).住宅用通風(fēng)組件產(chǎn)品.必須和可選的性能
4. It's difficult to find optional performance in a sentence. 用optional performance造句挺難的