??????????8?????19??????????? ????,?????8??????????????????19??18?????????????:

??,8?????????19?????????????20??20?????20????,??????????????????????????????????????????????????????????????????????????????????????????????????????????????????,????????????,?????????????????????????????????????????(100~200??)??(??????30~60?,?????80????),?????

?????:

1.??????;

2.??,??;

3.??????????????,?,????????????;

4.???????????????????,??? ??:???????????????????? ??“???????”????

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

????:1????????:?????????

2???????

3????????

4??????????

5??????????

??????????8?????19??????????? ????,?????8??????????????????19??18?????????????:

??,8?????????19?????????????20??20?????20????,??????????????????????????????????????????????????????????????????????????????????????????????????????????????????,????????????,?????????????????????????????????????????(100~200??)??(??????30~60?,?????80????),?????

?????:

1.??????;

2.??,??;

3.??????????????,?,????????????;

4.???????????????????,??? ??:????????????????????