ุ㽲طƷнرƷͨ˿ɶúܣûƷݺˮýųҪζһƷŵü
ƷզȲ㽲
ƷҶ̸ģȲҶҪѡèIJҶѸ㷨ߵĹȵĶնЩζʵо㽲DzǸ
һDzøӾ͵ˮöûУƷɰ߾ĴɱDzŽζֱһڲ鶼úƷľ裡
ƷҪ
ûƷطҲҪѡҸֺĵطгһܺȳζ㣡ƷѡƽĵطֵĺݵĹֵطŷ紵ˮһȲѺúȣ
㣺ҪǿƷǵôСʳûȻƷῨʹ
Ʒɶ
Ʒôû˼СԲˬѶֵͲݵϷ۸ɰЩֱ֮رͲҧһǻѶ
ЩϲӡɶҲ˿ζҪdzȵˬ
ƷȦȤ
ƷȦǿнһ㶼ǼһƷߴˮЩߺڰ˺ڵǵñҲ廰ûȻᱻЦǡ桱
ȦҲкõһ˺Ųĵ˷ʱѧٹ˵δ´ҲһƷúܣ
ǾƷɶѼŲҶҪҪҪ̹СٴϼȳIJζ
Ʒ, Ʒ, , Ҷѡ,
ݻϸվСġ
Ŀӵн400ѩѥҵ800ҵֵܲͻ22Ԫռʳ40%ÿг1500˫ѩѥһƷ¹ʮҺ͵
˽Ʒ
诣ǡ𡱶ڼйƶЧûʹûͷ绰źҲܲʾڵĵ绰һЩعٷվָʹ͵ͼҲʹŵ罻ͨѶվɲ
Ůվ
þӪʽǮ2.2%ӵرǾ2.4%һЩ߶˵һ߶Ϲܴ3%һȥÿµ¹СһֵĸڵĶַɽȥͬ30%һ֤