The objective of tyre alignment is to get those tyres pointing in the right direction, without a positive or negative toe Angle.

推罗的目的是让那些油罐车轮胎对齐指向正确的方向，没有一个积极的还是消极的辗轧角。

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The contents of back wheel′s design include camber angle and toe-in;

后轮设计有后轮外倾角和后轮前束；

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It is, for example, equipped with a rear-wheel steering system (Precision All-Wheel Steer) that allows the rear wheels to be pointed, independently, up to 2 degrees of toe-angle adjustment in either direction (in or out, negative or positive), for 4 degrees of articulation.

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