Parting surface should be along a single plane if possible, else following the contour of the part.

如果可能分模面应沿着单一平面，否则就顺着零件轮廓方向。

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In addition, a dynamic balancer can provide greater sensitivity to measure static or single plane unbalance.

另外，动平衡机能够提供更高的灵敏性来测量静态或单一平面的不平衡。

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If the parting line cannot be on a single plane, then it is good practice to use symmetry of the design to minimize the side thrust forces.

如果分模面不能在单一平面，利用设计的对称性来减小侧向推力不失为一种好方法。

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Here, we are not talking about a single number, but a displacement in the plane.

我们现在不是在讨论数字,而是平面上的位移

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And they settled on a single plane type because they save money and make it much less likely that passengers sit around waiting for spare parts.

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