數(shù)據(jù)庫(kù)錯(cuò)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(shù)據(jù)庫(kù)錯(cuò)誤: [Table 'my8907748842.demo_' doesn't exist]
SELECT title,keywords,description FROM `demo_` where id=933
DG泵頭通過(guò)兩只短泵頭螺釘與驅(qū)動(dòng)器固定,通過(guò)聯(lián)軸套連接泵頭和電機(jī)軸進(jìn)行傳動(dòng)。泵頭與驅(qū)動(dòng)器的連接結(jié)構(gòu)見下圖:
友情鏈接: