He said: "the two screw base at an Angle of 45 degrees, ten little nails."
他说： “两个45度的螺口灯头，十个小钉子。”
It may take a little practice at first as you need to find the Angle and position that is right for you.
刚开始使用时可能需要一点实践，找到合适的角度和正确的位置。
The half-cone-angle has little effect on the oscillation frequency of thrust.
半锥顶角对推力波动特性影响很小。
The roughness of the solid surface has little influence on the dynamic contact Angle.
固体表面粗糙度对动态接触角的影响不大。
Different water depth had little infection to tiller Angle.
不同水层条件下，分蘖角度变化不明显。
Different water depth had little infection to tiller Angle.
不同水层条件下，分蘖角度变化不明显。
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