A chelating agent that softens hard tap water by binding with dissolved metal ions, preventing them from being deposited as a yucky residue on your nice clean dishes.
一种螯合剂，通过与水中溶有的金属离子结合来软化硬质水，这样这些水垢就不会残留在你洗好的干净盘子上了。
Dust collecting unit shall work for dedusting of the tap hole and the outlet of the hot-metal ladle.
集尘单位工作，应为除尘的水龙头孔和插座的热点-金属包。
Take two pieces of tiles tap brick, if the sound is crisp, with some metal sound that its intrinsic quality is very good, the hardness is higher;
取两块瓷砖轻轻敲击，如果砖的声音清脆，带着一些金属声则表明其内在的质量非常好，硬度较高；
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