一种定义
四种语言
The three design variants have been developed to provide the optimum solution for a range of different applications.
The four design variants have been developed to provide the optimum solution for a range of different applications.
For example, rooms can be separated acoustically using special insulation designed to muffle footfall noise.
The smooth-running castors incorporate reliable braking mechanisms.
Some cross-sections incorporate closed grooves that can be easily opened.
For example, rooms can be separated acoustically using special insulation designed to muffle footfall noise.