The invention comprises a main agent and an auxiliary component; the main agent component is aluminum potassium sulfate or aluminium ammonium sulfate.
本发明包括主剂和辅剂成份，主剂成份为硫酸铝钾或硫酸铝铵。
Curved diffuser is an important auxiliary component of main fan installations of mine, whose performance directly influences the operating efficiency of the installations.
扩散弯道是矿井主要通风机装置的重要辅属装置，其性能的优劣直接影响通风机装置的运行效率。
Curved diffuser is an important auxiliary component of main fan installations of mine, whose performance directly influences the operating efficiency of the installations.
扩散弯道是矿井主要通风机装置的重要辅属装置，其性能的优劣直接影响通风机装置的运行效率。
应用推荐