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鍏徃锛氭案鍢夋硥閬旀车闁ュ埗閫犳湁闄愬叕鍙�
鑱�(li谩n)绯讳汉锛氳ū楂樺挤
鎵嬫锛�18968989982
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鍌崇湡锛�0577-66999098
鍦板潃锛氭禉姹熺渷婧窞甯傛案鍢夌福鐢屽寳閹�(zh猫n)纰奸亾宸ユキ(y猫)鍗�(q奴)
閮电法锛�325102
缍�(w菐ng)鍧�锛�http://205719.cn
閮电锛�[email protected] |
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榛炴搳娆℃暩(sh霉)锛�3834 渚嗘簮缍�(w菐ng)绔欙細205719.cn 鐧�(f膩)甯冩檪闁擄細2013-10-08 |
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銆�?銆�?锛� 杓搁��20鈩冩竻姘存檪娉电殑瀹夎锛�
銆�?銆�?锛� 鏀圭偤杓搁��80鈩冩按鏅傛车鐨勫畨瑁濋珮搴︺��
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銆�銆�宸茬煡锛欻s=5.7m
銆�銆�Hf0-1=1.5m
銆�銆�u12/2g≈0
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锛�2锛� 杓搁��80鈩冩按鏅傛车鐨勫畨瑁濋珮搴�
杓搁��80鈩冩按鏅�锛屼笉鑳界洿鎺ラ噰鐢ㄦ车妯ｆ湰涓殑Hs鍊艰▓绠楀畨瑁濋珮搴�锛岄渶鎸変笅寮忓皪Hs鏅傝鎻涚畻锛屽嵆
銆�銆�Hs1锛滺s锛嬶紙Ha锛�10.33锛� 锛� 锛圚υ锛�0.24锛�
宸茬煡Ha=9.81×104Pa≈10mH2O锛岀敱闄勯寗鏌ュ緱80鈩冩按鐨勯＝鍜岃捀姹藉鐐�47.4kPa銆�
銆�銆�Hv=47.4×103 Pa锛�4.83 mH2O
銆�銆�Hs1锛�5.7+10锛�10.33锛�4.83+0.24=0.78m
灏嘓s1鍊间唬鍏� 寮忎腑姹傚緱瀹夎楂樺害
銆�銆�Hg=Hs1锛岺f0-1=0.78锛�1.5=锛�0.72m
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