结果表明：经采用微弯型整治方案后，游荡型河段的主溜平均摆动范围逐渐减小，河流稳定性明显提高；
The outcomes show that a) the mean wandering range of the main flow reduces gradually and the stability of river increases remarkably after adopting a correction plan with slight-curves;
角度挖掘机可在其所有宽限范围内实施臂摆动作，因此它们在限制场地作业表现出了绝佳的操作性能。
Minimal swing radius excavators can make a swing within the range of its overall width. Thus they demonstrate excellent operating performance in a limited space.
由于曲柄只作有限度的来回摆动，从而克服了圆周运动中的死点，并能在最理想的角度范围内作功。
Because the crank only swings back and force within limit, therefore, the dead center in circular motion is overcome, and the crank can make power in the most ideal Angle range.
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