With its newly developed diffuser, the KSB Group has managed to lower by 20 dB the noise emission of a large pump produced 21 years ago in what was then the GDR.
通过最新研制的消声器，凯士比公司成功将21年前生产的一台噪音很大的大型机泵的声音降低了20分贝。
2
This configuration had only 512 Mo of GDR in the portable which we had tested and it will be advisable to hold account in the benchmarks of it.
这种配置了512只的莫民德在便携式我们所测试，并会在宜举行账户中的基准。
3
Since the affiliation in 1990, the date and name used in the FRG have become the official ones for the former GDR as well.