ˮĥձӷĥҺĥת䡣 ͨˮ±ʵʩ֮ˮҵɹȥʹ÷ˮĥĻҺĥΪ0.1%0.12%֮䡣ʹóڣҵijЩѵ⣬ͨϸĽĥ˳룬һӳַĥǿĥãʹЧá˫ʵܽҽ æ10mmϹܰҺĥˮʽĥϿڴһʱҺĥȷһѼڽϿڴʹϿڲСӰĥͨ磬̨ʱʱһҺĥڼ²ɲҺĥʧ ȻĥӴһ30mmĹӣ쵽Ͳм䣬ĥĹܲĽУʹҺĥֱͲڣĽʼʹûԣֽͲ֮䲻ϼţĥúҼϸϣճͲڣʹͲʧȥϵʹƽѲϴͲ Ѧ30mmĹӸǹĽṹѹӣĥעУӵһͷͲһͷӹɲΪ15mmܣʹĥϸС״һ֡ ṹĽ˽϶˶ϵ⣬ͬʱʹҺĥˮĥһУϵĽӴӳַĥąֱ̃ʱߡ2.413mˮĥ̨ʱԭ21/Сʱߵ22.3/Сʱȱԭ340m2ߵڵ350m2ĥ̨ʱ5% ӡر |