14768| 20
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手持式自動注油機(jī),方便小巧,出口2500美金 |
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點(diǎn)評
精度最差的是氣缸推動活塞,其次是伺服電機(jī)推動活塞,然后是蠕動泵。最后是司桿、導(dǎo)軌帶動的那一種
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