Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/6c9bc87291977d22db9d574a0fd089f3.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 manometer英英字典_manometer剑桥英语解释_manometer柯林斯英文解释_食材铺反向词典
1. N an instrument for comparing pressures; typically a glass U-tube containing mercury, in which pressure is indicated by the difference in levels in the two arms of the tube U型管测压计