The spherical bearing applies to request priority equipments and parts of the simple situations, such as used for agricultural machinery, transportation system or construction machinery.
外球面轴承优先适用于要求设备及零部件简单的场合，例如用于农业机械、运输系统或建筑机械上。
请求优先着陆。
Request priority landing at runway 36r.
请求用36r跑道优先着陆。
Request priority landing at runway 36r.
请求用36r跑道优先着陆。
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