The Greek historian Strabo writes that " they extended their empire even as far as the Seres (China) and the Phryni" .
希腊历史学家斯特雷波写道“他们扩张他们的帝国，甚至远到塞里斯（中国）和弗林尼。”
QBS Seres applied in non-frequency full pressure start under the loads of explosion-prooffan and water pump.
QBS系列用于防爆风机、水泵等负载的不频繁全压起动。
以上图片仅供学习交流使用，版权归原作者所有，如有侵权，请与我方联系
