true up
动词- To make something true, equal, or correct, as for example by turning and facing a part on a lathe. · He trued up his faceplate before doing the next setup.· He trued up the brake discs and installed new pads.
- To make a wheel level, balanced or even by adjusting the spokes; to true a wheel; ideally, to make it perfectly circular in relation to the hub with no left or right bulges nor 'flat spots'.
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