2. The DZS brake is
fricative brakes, which are automatically set to work when an AC power lost occurs.
DZS系列电磁失电制动器为通电脱离(释放),断电弹簧制动的摩擦式制动器。
3. Model OE-XHR-150 is used to for hardness test of plastics, hard rubbers,
fricative materials, synthetic resins, Al-alloys, Sn-alloys hard papers.
OE-XHR-150型塑料洛氏硬度计适用于塑料、硬橡胶、摩擦材料、合成树脂、铝锡合金、硬纸板等材料的硬度测定。