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Electric hoist test platform, sound-level meter, varnish film thickness gauge, altazimuth, level;
电动葫芦试验台、声级计、漆膜测厚仪、经纬仪、水准仪；
youdao
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Electric hoist test platform, sound-level meter, varnish film thickness gauge, altazimuth, level;
电动葫芦试验台、声级计、漆膜测厚仪、经纬仪、水准仪；
youdao