浮筒水位表 float water level indicator: 浮子水位指示器float-type water-level indicator: 浮标式水位计float level indicator: 浮标液位指示器; 浮面指示器; 浮子式液位指示器; 浮子水位指示器; 浮子液位指示器float liquid level indicator: 浮子式叶液面计; 浮子式液面计float-level indicator: 浮标液面计下载手机词典可随时随地查词查翻译