乙烯乙二醇基防冻剂
ethylene glycol base antifreeze
乙烯乙二醇防冻剂
ethylene glycol antifreeze
乙烯乙二醇常效防冻剂
ethylene glycol permanent antifreeze
乙二醇防冻剂
ethylene glycol antifreeze
推荐的防冻剂
antifreeze recommendation
渗透性防冻剂
Penetrating cryoprotectant
乙烯乙二醇型防冻剂
ethylene glycol type antifreeze
负温防冻剂混凝土
negative temperature concrete added with anti-freezing agent
防冻剂掺量
the amount of blended concrete antifreezing agent