In the constant temperature bath: capacity, 20l; form, the two outer layers cylinder (double).
恒温浴：容量，20l；形式，内外两层缸(双缸)。
2
Studied a constant tension control system controlled by a single-chip processor in order to deal with the unsteadiness, which occurs in the supplying process of packaging machine cylinder material.
针对包装机卷筒材料供送过程存在的张力控制不稳定的问题，研究设计一种单片机控制的恒张力控制系统。
3
Once the radius of the cylinder is equal to a constant value, the proposed method is still valid.