Special tool for pumping slurry and releasing plug. The ZSC Single-Plug Cement Head can be connected with Drill pipe.

用于注水泥浆和释放胶塞的专门工具。ZS C型单塞水泥头可与钻杆连接。

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The effects of Zinc stannate coated CaCO3(ZSC-1) flame retardant on properties of PVC cable material were studied by the tests of OI, SDR, thermal property and mechanical property.

通过氧指数（OI）、烟密度等级（SDR）、热性能和力学性能的测定，研究了锡酸锌包覆碳酸钙阻燃剂对聚氯乙烯（PVC）电缆料性能的影响。

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