߅ʩ
ڼӽˉ|o(h)¹
ʩ̣
O(sh)NֲӡʩѡO(sh)ˉ|^̡
ʩ
.档ͻĎrʯsݹľsڵ̎M(jn)лƽ
.O(sh)NֲӡwO(sh)15-20cmNֲвNʩڲѿL
. ʩm˵ķNֲ(ji)ʩGɽ¡
.O(sh)ˉ|O(sh)ˉ|ˉ|߅(yng)ٴ60mm̎UM(jn)^
.^
æ8䓽ӹUͽ^ˉ|̶^ᔴ^䓽zW(wng)^ڵUg1-1.2cRƽ#Ŀγ߅·(wn)
^̜όg_һ¾0.6-1ס0.31Ĝˉ|ϵ^̡
һrˉ|溆ۯBɌ̶
NO(sh)ˌѵڇ
߅ʩ
ڼӽˉ|o(h)¹
ʩ̣
O(sh)NֲӡʩѡO(sh)ˉ|^̡
ʩ
.档ͻĎrʯsݹľsڵ̎M(jn)лƽ
.O(sh)NֲӡwO(sh)15-20cmNֲвNʩڲѿL
. ʩm˵ķNֲ(ji)ʩGɽ¡
.O(sh)ˉ|O(sh)ˉ|ˉ|߅(yng)ٴ60mm̎UM(jn)^
.^
æ8䓽ӹUͽ^ˉ|̶^ᔴ^䓽zW(wng)^ڵUg1-1.2cRƽ#Ŀγ߅·(wn)
^̜όg_һ¾0.6-1ס0.31Ĝˉ|ϵ^̡
һrˉ|溆ۯBɌ̶
NO(sh)ˌѵڇ