ĥϵͻѧʶԷĥϵͳIJӰܴͻѧʶϽзֱĥԴ߷ĥЧʣܸƣĿǰҵûϷĥʽӦͬϡͬĥͬʱˮҵǿĵгĥƷǺܿͻ캣ԴƼ˾2008ƳHGA661ˮĥ˲ƷϡJT/C2004ˮĥʮˮҵʮֲͬķĥս˹ģʹãЧáְѲʹԻܣҲο 1.HGA661ˮĥԭѡ 1.1Ӧ ˾ȡȫزͬϡϲģ桢ƽ飬ѡܹͬʱӦڲͬϡúҡʯúҡҵϵԭϡ 1.2ԭϵĻ HGA661ˮĥԭ϶弰HGA661ˮĥƷ塢豸ûΣӣܼС0.02 2.HGA661ˮĥȷ ˾о֣ˮĥĺΪ0.025%0.08%֮䡣òȫͬص͵ظֲ첻ͬĻϲԡĥСʱһĥԭвĥϵͳղϺͻϲĵIJˮIJȶĥ0.1%ʱΡΣʵӣӰˮͻ;ԡɴ䡢װװжɱӴ˹˵ͶǿȡɴȷHGA661ˮĥΪ0.06%0.08% 3.ͬϵСĥ òԭϻѧɼ1 |