In Part 2 of this series, we introduced a general rule.
在本系列的第2部分中，我们介绍了一个一般原则。
In this paper, a general transformation formula for multiple series is proved.
本文证明了多重级数的一般变换公式。
YA series circular vibrating screen is a classic, general and has standardized screen equipment.
YA系列圆振动筛是一种经典、通用且已标准化的筛分设备。
YA series circular vibrating screen is a classic, general and has standardized screen equipment.
YA系列圆振动筛是一种经典、通用且已标准化的筛分设备。
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