Non rotating stem allows a non-spinningdisc, ensures low torque and prevents torsional damage of the packing.
不旋转阀杆采用无旋流阀瓣,确保减少扭矩,防止填料受到扭转损坏。
2
Above them is a spinningdisc with slots that alternatively allow light to shine on the panels to produce an AC waveform.
他们上面是一个插槽,或者让光线照的面板上产生一个旋转的圆盘交流波形。
3
As a specific application machine of the prescription map, the spinningdisc spreader played a key role in the whole process of variable-rate fertilization.