의 3 차원 모형.https://www.altronics.com.au/p/r2253-10k-log-d-shaft-16mm-single-horizontal-pcb-pot/?srsltid=AfmBOoqlU4YJRVRRtcK6M9JExXF-pxahptNA7Lc7wxTNcgepfYo9vhOh
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