因狭窄或阻塞导致慢性泪藥炎分部位是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25396' and id < 2139842 and id<>'2139842' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25396' and id > 2139842 and id<>'2139842' order by id asc limit 5