Because the diagonal outriggers brace the crane not only against side-to-side forces, but also front-to-back turning forces, these two cranes can lift the full rated load over a wider Angle.

由于对角舷外架不仅支撑起重机抵抗侧向力，而且也包括交变的前后力，这两台起重机可以在一个更宽的角幅度之上举起额定的负荷。

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From a single crane bowing alone to a mated pair jumping and turning around one another, each dance has a meaning.

BBC: Nebraska��s awe-inspiring crane migration