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7¿ǶԴӲĿоӹһַ( ) 8ѹӡһǯӹ( )
9óĥӹǽĥֳɵһֱߺԲνĥ( ) 10ĥDzóɰֵĥ( ) 11ĥֻڹĥϸԼо߽С( ) 12ĥҪĥߴСģͰģƴ顣( ) ѡ
1ijΪ 40 ֣ԲҪ IT6 ȺRa 0.8mӹӦѡ A Aֳ뾫ĥĥ Bֳ뾫 Cֳ뾫ĥ Dֳ뾫ϸĥ 2.ģ߳ĥֲڶRaһɴﵽ( C ) A1m B0.1m C0.01m D0.001m
3.ײΪ40֣ҪӲ5862HRCڿ׳ߴΪ30 mmԲΪIT7RaΪ0.2mڿӹӦѡ A
Aסۿסĥĥĥ Bסס Cס Dססۿ
4.ijЩģļӹҪڼӹб任ȷĽǶȣӦʹãA Aƽǯ Bֶȼо Cƽмо Dצ 5вǻӹǣ B
A Bи Cͨϳ Dϳ 6ڷԲģӹȷļӹǣ B
A. ּӹ B. þӹ C. óĥӹ D. ǰ÷뾫ӹ 7¿Ҫڼӹ C
Aߴ Bäס CССߴδӲ DССߴѴӲ 8ĥӹ D
Aģ Bģ Cģ Dӹõ缫 9˵ȷУ D
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AʽϳϼӹǻЧʸߣ˼ӹ״̫ӵǻ BԲϳֻԲļӹϳƽ桢 C״ϸӵĶģǻϳϼӹ DԲϳϼӹԲǻĶģҲҪģ 10ĥҪģ߽ṹ֣ B
AģӦƳֱͨʽ BģҪ
Cģ״ӿƳƴʽģ DģƴṹʱܰԳ߷ֿ ġ
1ģҪЩ ģҪЩ ? ϡģ壬ģ塢ģ塢̶塢֧Ű塢壬Ƽ ? ֧šӡ̶װ
2. ӹʱʲôλ?Ϊʲô? ? Ŀ
3֤Ҫλþȵķм?
4ǻӹصʲô?õļӹЩ?
õסס¿סۿסĥססĥסĥסѹȡ
5ĥӹķļ?ǵصʲô? ɰĥĥĥ켣˶ĥ
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塢ۺ
1.ͼʾΪģģͼʹõиӹȴ6064HRCҪпڷҪ
1ȷļӹչ̣дձпɼдӹĸ棩 2ûеи豸ʲôӹ档
1 2 3 ȴ ϳ٣ ͼë752550 HRC28~32 ּӹ70.520.545.5 豸 ѹ ϳ٣ - 11 -
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