8米x30米大棚高1米5塑料布买多宽多长？ 8米宽大棚,薄膜宽度是多少?
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这个当然是买十二米宽三十五米长。绛旓細杩欎釜褰撶劧鏄拱鍗佷簩绫冲涓夊崄浜旂背闀裤
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绛旓細鍙绠楀嚭浠栫殑琛ㄩ潰绉氨鍙互浜嗭紝浣嗗湴闈㈠氨灏戠畻涓闈紝30x5.5x2=330骞虫柟绫筹紝200x30=6000骞虫柟绫筹紝200x5.5=1100骞虫柟绫筹紝330+6000+1100=8030骞虫柟绫
绛旓細锛1锛夎澶ф鍗犲湴锛2X2X15=60骞虫柟绫 锛2锛夎澶ф鍐呯殑绌洪棿绾︽湁锛3.14X2²梅2X15 =3.14X30 =94.2绔嬫柟绫
绛旓細澶ф闇瑕佺殑甯冨垎涓変釜閮ㄥ垎,涓涓暱鏂瑰舰,2涓崐鍦.鍒嗗埆璁＄畻:闀挎柟褰㈢殑闀挎槸30绫,瀹芥槸鍗婂渾鐨勫懆闀,鍗婂渾鐨勫崐寰勬槸2绫,鏁呴暱鏂瑰舰闈㈢Н涓 30*3.14*2=188.4骞虫柟绫 2涓崐鍦嗗悎涓鍦,闈㈢Н涓3.14*2*2=12.56骞虫柟绫 鍚堣捣鏉ユ槸188.4+12.56=200.96骞虫柟绫 鑷充簬鍏蜂綋鏁板兼牴鎹淇濈暀鐨勬暟浣嶈嚜宸辫皟鏁.瀹屾瘯 ...
绛旓細鎮ㄥソ锛1 闈㈢Н 4x3.14x30+4x4x3.14 =376.8+50.24 =427.04骞虫柟绫 绌洪棿 4x4x3.14x30梅2=753.6绔嬫柟绫 2 鍗婂緞 31.4梅锛2x3.14锛=5cm 浣撶Н 1/3x5x5x3.14x9=235.5绔嬫柟鍘樼背 涓嶆槑鐧斤紝鍙互杩介棶濡傛湁甯姪锛岃寰楅噰绾 濡傝拷鍔犲叾瀹冮棶棰橈紝閲囩撼鏈鍚庡彟鍙戝苟鐐瑰嚮鍚戞垜姹傚姪锛岃阿璋 绁濆涔犺繘姝ワ紒
绛旓細1銆2x2x3.14x30/2=188.4骞虫柟绫炽2銆2x2x3.14x30/2=188.4绔嬫柟绫炽
绛旓細30X4=120m2 鍗犲湴闈㈢Н銆併 4梅2=2m 蟺rxr+蟺dh梅2=3.14x4+3.14x4x30=12.56+12.56x30=389.36m2 濉戞枡钖勮啘闈㈢Н
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绛旓細褰撹嫍榫勮揪60鑷80澶╋紝鏍珮25鍘樼背浠ヤ笂锛岃寧鏁3鏀互涓婏紝鍗冲彲瀹氭銆澶ф鍩硅嫍锛屼竴鑸4鏈堜笅鏃嚦5鏈堜笂鏃畾妞嶃傝嫢琛岄湶鍦板煿鑻楋紝搴斾簬6鏈堜笂鏃畾妞嶃傜櫧绗嬭鏍窛涓1.8绫砐30鑷40鍘樼背锛岀豢绗嬭鏍窛涓1.5绫砐30鑷40鍘樼背锛屽畾妞嶆椂锛屼娇鍦颁笅鑼庝笂鐨勯碁鑺界兢椤烘矡鏈濆悓涓鏂瑰悜锛堜竴鑸湞鍗楋級锛屾帓鎴涓鏉＄洿绾匡紝浣挎牴绯诲厖鍒嗗睍寮锛...
