... energy3. Sound absorption and noise reduction; it can effectively prevent sounds transferring.4. Cutting and construction is easy and convenient.5 ...
... . when detecting concentration overed the default dangerous concentrations it will sounds more than 80 Db audible alarm and visual alert signals ...
... free fieldThe standard function: pure tone CeTing continuous sound, pulse sounds and Zhuan soundsSound intensity step 5 dBSound intensity expansionCommunicating with ...
... quality Excellet service & Excellent reputation Apply to fish bait, common weapon Tungsten Carbide heavy Alloy Balls tungsten carbide balls Precision machined ...
... solubility, no pollution, etc. Widely used in electron, automobile, spaceflight, weapon, coinage, metallurgy, nickel net, radio, color aluminum alloy Nickel aminosulfonate
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