LܣһNLHǹܵaƷеҪaƷґÏVҪϤ˽_ʹãкõʹЧҌ҂Ҳк̎ٿԔU҂ČI֪R،҂֪R
1\LȺҎǹ̶׃ĆЩbҎ
\LLеһNһҊN@һNLܵĺȺҎǿԸʹҪMm{
\LܵİbҎҪ@ЩǞ飺
(1)LǞˮƽbֱL߅ߴ粻400mmԒôLgܴ4m400mmԒtgܴ3mLǞ鴹ֱbԒgܴ4mθֱّЃɂ̶c
(2)\LУ֧ܵxxcȺ̈́ҪϵʽҎҪt]
(3)A\Lǰb֧ϵôͱ@ɂңAǾģڳߴcL⏽һ¡
2EALҎǷԶƣLϵyܷȡQʲô
EALҎôǿMжƵԝM㲻ͬҎߴҪLϵyҪ\еԒtLܵİb_͵λt_@һĿġ