锛涓锛╃ф浼棣搴ゅㄥ烘绱锛濡ゆ广娈锛淇规や淇纾ㄦ归╃灏宓淬纾ㄩ涔冲涔宓达婧℃跺ㄦ堡汇存㈡ザ淬ㄦ互叉姝㈢锛2%榫绱2.5%绱娌癸绉绱绛灞ㄦ疯创急锛杈惧缃瀹娑层″娑层涓澶凤婚寸c$被g锛浜锛瀛ф浼ヨ藉跺ㄧ稿蜂腑х恫叉娑ㄦ俯姘村叉婧″ぇ肩锛ㄦ涓疯创杞缃www.studyez.com锛涓锛绮琛楗辨弧琛卞ㄦ姣虹达浣胯娑叉烘ㄧ┖稿锛褰婧¢㈣8叉跺ㄥ绱绾跨у锛跺姐灞ㄦ锛绱婕卞姘村急