Pneumatic drive, linear feed. Adjustablehead can be pulled to set positions by drive motor.
采用气压传动，水平直线式工进方式，运动机头由电机拖动行走定位。
2
According to adjustablehead fall mixer, the effect of mixer parameters on head loss was studied in the model experiment.
通过模型试验，研究可调式跌水网格混合器主要设计参数对水头损失的影响。
3
Note particularly the side view, and the remarkable details, including the adjustablehead rest, and the compartments for ashtray and integral pipe rack.