Non rotating stem allows a non-spinning disc, 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。

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Above them is a spinning disc 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。

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As a specific application machine of the prescription map, the spinning disc spreader played a key role in the whole process of variable-rate fertilization.

圆盘式变量施肥机作为处方图的具体实施机具，在整个变量施肥过程中起着关键作用。

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It is also ideal for hopping between high-rise buildings in cities it being stable in winds due to gyroscopic forces of the spinning disc.

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Heavy HDD use gave us 40dB, while accessing HDD and spinning up a Blu-ray took this to a deafening 50dBA. Luckily, once a disc was loaded and running, sounds from the drive ceased almost completely and overall system noise remained close to the idle level while actually playing a movie -- the Samsung SH-123L was impressive in that respect.

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