Determeter
(往复式)去污试验仪
🗣️ 情景例句
Thanks again.
再次谢谢 。
Textile business has become more and more difficult since the competition grew.
随着竞争的加剧，纺织品贸易越来越难做了。
The other model's more expensive, but it's worth the money.
那种型号价格是贵一些，但它值得那么多钱。