????:1????????????:2021??????????

2????????????

3?????

4?????????

5?????????

????????????2?????4????????????? ??????,???????4????,????????????????????????????????????????????:

????«?»«??»«?»«????»?,??????????,?????,????:

???????????????

(???)1C117.d.????????:

1.?(?:2841801000);

2.?(??????:2825901200?2825901910?2825901920);

3.????????1C226?????(?:2849902000)?

(?)1C117.c.?????:

1.????????(???????????????????????):

a.????????1C226?1C241??????????????????97%(?)????(????:8101940001?8101991001?8101999001);

b.??????80%(?????)????(????????:8101940001?8101991001?8101999001);

c.?80%(???)???(????????2%)(??????:7106919001?7106929001);

2.?????:

a.??120 mm?????????????50 mm????????????;

b.??65 mm?????25 mm????????50 mm???????????????;

c.???120 mm×120 mm×50 mm?????

(?)1C004 ?(?:8101940001?8101991001?8101999001)???????(????:8101940001?8101991001?8101999001):

a.??????17.5 g/cm3;

b.?800 MPa;

c.?????1270 MPa;

d.?????????????8%?

(?)1E004?1E101.b.??????????1C004?1C117.c?1C117.d?(?????????????????)?

?????????????

(?????????????????)6C002.a.??(?:2804500001)?

(????)6C002.b.???????????????????(???):

1.?(????????:2842902000?3818009021);

2.???(????????:2842909025?3818009021);

3.??(?:2852100010?3818009021)?

(???)6E002 ?6C002????????????(?????????????)?

?????????????

(??????????????)6C001.a.????1C229???,??????????????????????????????????????(?:8106101091?8106101092?8106101099?8106109090?8106901019?8106901029?8106901099?8106909090)?

(??)6C001.b.???????(????:2841900041)?

(?????)6C001.c.??????(???:2931900032)?

(?)6C001.d.???(????????:2931900032)?

(?)6E001 ?????????????????6C001?????(??????????????)?

????????????????

(?)1C117.b.???:????????(???????)?????????????????97%????????50×10-6m(50µm)?????(???:8102100001)?

(????????)1E101.b.????????1C117.b???????(????????????????????????)?

????

(??)3C004.a.???????????????(????????:2853904051)?

(????)3C004.b.????????(??????????:2931900032)?

(?)3C004.c.????????????(????????:2931900032)?

(?)3E004 ????3C004???????(????????????????????????????)?

????«??»«?????»????

??????«???????»???????????? ??:?????