數據庫錯誤: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'limit 1' at line 1]
select title from `demo_menu` where id= limit 1
數據庫錯誤: [Table 'my8000960683.demo_' doesn't exist]
SELECT title,keywords,description FROM `demo_` where id=872
數據庫錯誤: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1]
select id from demo_menu where parentId=
數據庫錯誤: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1]
select id from demo_menu where parentId=
數據庫錯誤: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1]
select id from demo_menu where parentId=
數據庫錯誤: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1]
select id from demo_menu where parentId=
數據庫錯誤: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1]
select id from demo_menu where parentId=
數據庫錯誤: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1]
select id from demo_menu where parentId=
數據庫錯誤: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1]
select id from demo_menu where parentId=
數據庫錯誤: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1]
select id from demo_menu where parentId=
數據庫錯誤: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1]
select id from demo_menu where parentId=
數據庫錯誤: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1]
select id from demo_menu where parentId=



1. Flow range: 0.008-460ml /min
2. Flow and speed display on the same screen, flow correction
3. The flow accuracy is up to 0.5%