2¼һפذ칫÷ʱȱٵIJ()
3д¼BԼͼ3-2CơDơ
4ж¼мʦǷȷ,ȷ˵ɣ֮
5ж¼С顢¼취ժ¼Ƿȷ,
9 ҳ 12 ҳ
һѡ⣨20⣬ÿ1֡ѡУֻ1⣩
1ȷ 2B 3D
4𰸣B 5ȷ𰸣A 6ȷ𰸣C 7A 8B
9𰸣A 10𰸣C 11ο𰸣B 12𰸣A 13𰸡B 14D
15ȷ𰸣C 16C 17C 18C 19B 20A
ѡ⣨10⣬ÿ2֡ѡУ2⣩
1ȷ𰸣B,C,D 2ȷ𰸣A,C,D,E 3ȷ𰸣B,C,D,E 4ȷ𰸣B,C,D,E 5ABC 6𰸡AE
7ȷ𰸣A,C,E 8𰸣BCD
9ȷ𰸣A,B,C,E 10BCDE
з⣨5⣬ÿ24֣
11·̿Ӧ߱
پոξϸϵḶ́
ڶδ깤̻ʱȹѴϣʦලżϸ
۰ҡĿϹй涨Ҫѱɿļܰ涨ѱƺù̿㣻
ʩơ衢ලȵλѱдɻ㱨ϡ
2ڽղϸȱݵĹ̼δ깤̣Ӧԭаλȡɣ
3ίԱΪȫչ̽Ӧȡ±棺ٽ赥λڹĿִı棻
Ƶλڹı棻ʩλڹʩı棻ܼλ
10 ҳ 12 ҳ
ڹ̼()ı棻
ලŹڹලı棻 ()ڹ̽ı档 212ָ5·硣 ָʩָ̣Ŀڣ˹ڣˮʩ˫PVCˮ壩ʯä裨˲㲻Ť塢˺ѣˮܣˮܵĽԵʯװ
·ʩ̣ϡƽƽѹбߡƽѹ 21·ƱΪشƱϴƱһƱ 2ڽϴƱ
3Ϊﵽ720Ԫ[2400000(19-16) =7200000Ԫ=720Ԫ]500ԪĹ涨 3ԭ1·ǵ½϶2δýˮˮصر3ˮ²ֿδӹ̴ʩ4ʩʱ
ʩ迹ľְ֧֧êʽ֧ê֧ê֧ȣȶʩɻʩ ¶ȵȷ1¿ȣ2µ3¸߶ȣ45ֳʵ
4Ӧʯ·ֻܲ÷ֲֲѹʵ 5ö·ǵ6mΣԽϴ̡1ʩλӦ֯ԱдרʩʩλˡʦǩֺʵʩרְȫԱֳලʩλӦ֯5ϵרԱ֤飬赥λλʩλĿ˵Ӧμר֤ᡣ
2ҹʩʱ·ڡ·ǵ¶þʾƻ־ר˹ƹⲢø߶Ȳ1.2mİȫ
3·ǵʱӦ϶㿪ڣӦѭ֧šȳźڣֲھϽڡԭ
31. ·ƹؼĿУƶƹؼĹ취ʵƹؼΣۿչƹؼQC СƹؼϿչһļϸͼ֤µġдƹؼ¼䣭ʵ뾭ϵļ鿼ƶȡ
2. ·ƹؼҪļĿרü淶ʩƼƻҪá
3ӦĿԼļ桢˺ͷ 4. ȷ ɣijԭͣٸʱӦϿɺɸ 5ȷӦԼ졢Ļϣ֯רְԱйӼ飬ȷϸɽһʩ
6. ·ֳƵҪݰٿǰ飻ʩм飻ʩ飻ͣļ飻ݷֲ깤ļ飻ѲӼ顣 41.KΪͷ
2.AӦãˮԲϡʲϡ 3.Ҫ1ȷ
Ҫ2ֲ̯ʱӦȽ³вɾˮྻ̯ϲϡ
Ҫ3ȷ
Ҫ4ȡʱѹȶСϣˮӦѺˮ0.5-1. 5ٷֵ
11 ҳ 12 ҳ
4.ѷļʩ
(1)ѷλù(ཬע); (2)ѷλ貣άդ; (3)ȸ()
5. CΪʩܽᱨ; DΪλϡ 51.𰸡A-ָ3ܶȣͻʵѹʵ 2.Ŀܹʦ칫ҡְܲŰ칫ҡҡҡ 3.B-ϵļ飻C-ϱƣD-ϼ
4.𣺲ȷȷʦӦڳа˽бͬʱԺƽни飬Կ϶а˱IJָꡣ 5.
1ȷ˵ӦüӸרù¡ 2ȷ
3ȷ˵:ԭʼ¼Ҫ,ϷӦˮƽ;ȷϷͬʱӸǸӡ¡
12 ҳ 12 ҳ