避孕套尖尖的作用【倍力乐】

避孕套尖尖的作用

避孕套科普
避孕套尖尖的作用避孕套的使用方法

 发布时间： 2023-04-18  644

避孕套是一种简单易用、安全可靠的避孕工具，是男性使用的一种避孕方法。在使用避孕套的过程中，不少人会对避孕套前面的尖尖感到困惑，以及避孕套在使用之前是否需要排除空气的问题。那么，避孕套的前面尖尖是什么？避孕套在使用之前是否需要排除空气？避孕套的尖尖有什么作用呢？

避孕套尖尖的作用避孕套的使用方法

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[ SQL ] SHOW COLUMNS FROM `cmf_portal_tag` [ RunTime:0.000798s ]
[ SQL ] SELECT * FROM `cmf_portal_tag` WHERE `id` = 6063 AND `status` = 1 LIMIT 1 [ RunTime:0.000286s ]
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[ SQL ] SHOW COLUMNS FROM `cmf_portal_tag_post` [ RunTime:0.000560s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `cmf_portal_tag_post` `tp` INNER JOIN `cmf_portal_post` `p` ON `p`.`id`=`tp`.`post_id` INNER JOIN `cmf_portal_category` `c` ON `c`.`id`=`p`.`category_id` WHERE `tag_id` = 6063 AND `p`.`delete_time` = '0' AND `post_status` = '1' LIMIT 1 [ RunTime:0.044884s ]
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[ SQL ] SELECT `p`.*,c.name as cname,c.id as cid FROM `cmf_portal_tag_post` `tp` INNER JOIN `cmf_portal_post` `p` ON `p`.`id`=`tp`.`post_id` INNER JOIN `cmf_portal_category` `c` ON `c`.`id`=`p`.`category_id` WHERE `tag_id` = 6063 AND `p`.`delete_time` = '0' AND `post_status` = '1' LIMIT 0,10 [ RunTime:0.057078s ]
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[ DB ] CONNECT:[ UseTime:0.000260s ] mysql:host=127.0.0.1;port=3306;dbname=news;charset=utf8mb4
[ SQL ] SELECT `t`.`id`,`t`.`name` FROM `cmf_portal_tag_post` `tp` INNER JOIN `cmf_portal_tag` `t` ON `t`.`id`=`tp`.`tag_id` WHERE `post_id` = 7143 [ RunTime:0.000261s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'tp', 'type' => 'ref', 'possible_keys' => 'post_id', 'key' => 'post_id', 'key_len' => '8', 'ref' => 'const', 'rows' => 2, 'extra' => 'Using index condition', ) ]
[ DB ] CONNECT:[ UseTime:0.000193s ] mysql:host=127.0.0.1;port=3306;dbname=news;charset=utf8mb4
[ SQL ] SHOW COLUMNS FROM `cmf_portal_category` [ RunTime:0.000715s ]
[ SQL ] SELECT `id`,`name` FROM `cmf_portal_category` WHERE `parent_id` > 0 AND `delete_time` = 0 AND `status` = 1 LIMIT 12 [ RunTime:0.000231s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'cmf_portal_category', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 34, 'extra' => 'Using where', ) ]
[ DB ] CONNECT:[ UseTime:0.000196s ] mysql:host=127.0.0.1;port=3306;dbname=news;charset=utf8mb4
[ SQL ] SHOW COLUMNS FROM `cmf_link` [ RunTime:0.000562s ]
[ SQL ] SELECT * FROM `cmf_link` WHERE `status` = 1 ORDER BY `list_order` DESC [ RunTime:0.000268s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'cmf_link', 'type' => 'ALL', 'possible_keys' => 'status', 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 3, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] SHOW COLUMNS FROM `cmf_theme_file` [ RunTime:0.000740s ]
[ SQL ] SELECT `more` FROM `cmf_theme_file` WHERE `theme` = 'default' AND ( `is_public` = 1 OR `file` = 'portal/index/word' ) [ RunTime:0.000227s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'cmf_theme_file', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8, 'extra' => 'Using where', ) ]

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