樓主: 遠(yuǎn)祥
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自制卷簾升降門 |
點(diǎn)評(píng)
氣的效率怎么能高過用電,?另外,壓縮空氣怎么可能用多用少都一樣,?這不成了永動(dòng)機(jī)了嗎,?是不是意味你們公司買一臺(tái)空壓機(jī),就夠全中國使用,?
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