For most players what we do is simple: we change the grip diameter by increasing or decreasing the amount of tape applied to the club shaft underneath the grip itself.
面对大多数球员，我们要做的很简单：增加或者减少握把的直径，让它适合于球杆。
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Presently in standing tree's diameter measuring process, the main tools are tape meter or caliper, which need manpower to read and record measure data.