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һѡ⣨ 25 ⣬ÿ 2 ֣ÿıѡУֻ 1 ⣩ 1ûĿĿǻȫ̵__ Aһ Bڶ C Dһ 2߾ͿĤӦ*ʵɰѵȱݣ溬ˮ ʵ__ A2% B3% C5% D9% 3ܵ豸֮*ʱ಻С__ A1m B1.5m C2m D3m 4Եָصĵ岿ԵֵĵֵԵֵӦΪ__ A40M B50M C100M D200M 5̶ͿʽǦӲĸֵ֧ļ಻Ӧ__ A 1m BС 1m C 2m DС 2m 6ʱõ繤̰װϺ__֯ա Aܲ Bȫ Cܰ D 7ǿ˨Ӧɴ˨ڣ㷢ʱýµס ʱмõ䡣óһͷ˨__׺Ŀ Ӧ 1.2d(d Ϊ˨ֱ)Ͻʹиǿ˨׵ס A1/2 B1/3 C1/4 D1/5

8Ҫ󲻼Ϲˮij䳣ָˮܵ÷ʽ__ Aϸʽ B¸ʽ C״ʽ Dзʽ 9֪ĸ¶__ÿʪȡ A¶¶ Bʪ¶ C¶ D¶ 10豸߶ƫΪ__ A1mm B2mm C3mm D4mm 11ˮʩʱˮġ__͹ڡ Aʩ Bˮ Cʩ Dʩ 12һӲ𽺳ijʹ¶Ϊ__档 A-1020 B020 C065 D085 13ŵҪ__ Aɹ BͨкͰȫɢ C Dͨ 14ӲϹڻᡢȸʴʵijӲϹ ڴ¥ܻе˵ĵطӦ__ڵڵӲϹܣ¶ ܻе˶䣬Ӧ__ Aֹܣֹ Bֹܣ Cܣֹ Dܣ 15שǽʱ÷ָ__ AһƤȫ˳שһƤȫש໥ɣϡƤ춼໥ 1/4 ש BƤȫ˳שһƤȫש CƤשȫ˳שϡƤΪ 1/2 ש DÿƤжש˳שƤשƤ˳שƤ໥ 1/4 ש

16յˮϵͳУ·ȫ˸ȴ__ϵͳ Aȴˮ Býˮ Cˮ Dˮ 17__»Ļʽ Aλ B Cʽ Dͻ 18ͨ˨Ӧι̡ɿ¶Ӧ__ݾࡣ A1 B2 C3 D5 19͸ֽṹͿϵͿȴ__mm Сڻ__mm A37 B324 C745 D850 20װ綯ʱȽرյλãðťֶжس֣ ӷתرǰһλãʹ°װУ __ñš V ͵ļС A120 B90 C60 D45 21ֽڵ__ĻнС A-10 B-15 C-20 D-20 22ʹСʹԴ·õͷͲ__ A15 B20 C25 D30 23ʱõ¹乤ϵնȲһնȵ__ ɢԱõ¹ҪͨϵնȲӦ__ A8%1.5lx B10%0.5lx C15룬1lx D20%1.5lx 24ڸֽϵIJƹܣ˰ڸֽ²̶࣬__

A 1.5m BС 1.5m C 0.5m DС 0.5m 25ͬһϵʹ*ijֺͱҪ__ AСȣ෴ͬһ* BСȣ෴ͬһֱ CСȣ෴ DСȣͬһֱ ѡ⣨ 25 ⣬ÿ 2 ֣ÿıѡУ 2 2 ⣬ 1 ѡⲻ÷֣ѡѡÿѡ 0.5 ֣ 1__ѹʹͿ״ͿڱͿһͿװ AͿ BͿ CˢͿ DѹͿ 2 ɢڻǽʱ ӻǽ*λô׶ ̶׶Ȳ __mmй׶Ȳ __mmֽǽ Ϊ__mm A80120100 B80100120 C10080120 D80100120 3ǽеĸǽָ__ Aصǽ Bصǽ Cصǽ Dصǽ 4ܿ·Ĵɺᵣֱװʱ˳·бӦ__ A10mm B20mm C25mm D30mm 5ֹжʱø־ии־иӦ__иά ǿɰƬи Aϸݾ Bֳݾ C Dи 6ͷлʱͨЧﲻҪ󡢻ڵ²㡢 ޷*ֱʱȷͷ˳__ǶӦڻ 90㣬ڲҪ*Ӱɢȡ

Aһ B C DĴ 7Ͱ__ Aʽ Bʽ Cװΰ Dʽ Eľװε 8ʷˮͿϵͿĤһΪ__mmдͿ㣬Ҳ̳һ̥ ǿϡ A12 B23 C34 D48 9 ʸǽ*װɢʱ ó괩͸ǽ òСڦ __mm Բ֣˹̶Ԥ֧мȹԤ̶ι̡ A10 B12 C15 D20 10 װѹлװʱ صѹлװõĵصĴͷͭӦ 𣬴ͷӦ㹻ѹһΪ__ A810kg B610kg C812kg D1012kg 11__ڳ£ԳֽǿȵӦֽʹֽԱ ΣǿȡԼֲġ Aֽ Bֱֽ Cֽ Dֽ 12췽ʽIJͬǽԷΪ__ Aĸǽ Bֽǽ Cǽ Dͨשǽ Eĸǽ 13ͳ(Ž)ϵͳһ__϶ɡÿϵͳİװӦ ӦϵͳİװҪ A̽ Bϵͳ

Cڿϵͳ DԶ̴ϵͳ E·Ӽϵͳ 14ȼ;޷Ϊ__ A1 B2 C3 D4 15 估ʵҵIJװ߶Ⱦ治С__ⳡװIJС __Ҫʱͬһڲװ߶һ¡ A0.2m0.3m B0.1m0.25m C0.4m0.35m D0.3m0.15m 16˫ʯĵһڶӣҲýճճճĺ __mm Ϊˡ A12 B23 C34 D57 17·ĵѹʱӦѹ__ڱѹˡ A B C D 18ڽУӦ__ Aͨ B C Dɢ Eȫ 19·ٶװٶ̶Ӧο֧ĵƬ ˳ 3 ƬܺȲӦ__·ϣƬӦΡ A5mm B10mm C20mm D30mm 20о̬صIJϵԴϵͳ__͡ A B C D 21ϸģģΪ__ Aͳֱ 600mm 200mm

Bͳֱ 100mm 200mm Cͳֱ 50mm 150mm D϶ 22ᵣijǸݵ߸ڵ˼䵵ĴС__ġ A߼ Bѹĸߵ CĴС Dеǿ 23ѹ(1KV )Ӧ__ŷԾԵֵ A500V B1000V C1000V D2500V 24ֽܽṹ__ A12 B15 C20 D10 25ɷΪ__ A B Cֲб Dб E




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