硬节中释n
1 Applied to all the steam valves, steamer universal valves, expanded knurl, the easy crystallization pumps and valves with high temperature and low speed..可适用于所有的蒸汽阀门、汽轮通用阀门、膨胀节,高温滑阀和转速转低的易凝结晶泵、阀门等。
更新时间:2025-02-22 14:55:38