直接在冷却回路中串联加热设备对整个冷却回路进行加热的方式，往往存在一些

直接在冷却回路中串联加热设备对整个冷却回路进行加热的方式，往往存在一些缺陷，比如加热速度缓慢，所需功率大等。

結果 (英文) 1:

Directly in the cooling circuit in the heating equipment for the heating of the entire cooling circuit in series, there are some flaws, such as heated slowly, the required power.

結果 (英文) 2:

Series heating device directly in the cooling circuit of the entire cooling circuit heating mode, there is often some shortcomings, such as slow heating, the required power and the like.

結果 (英文) 3:

Directly in the cooling circuit in series of heating equipment for the entire cooling circuit to heat the way, there are often some defects, such as the heating rate is slow, the required power and so on.