子记录式液位计 float-actuated liquid level detector: 浮子式液位检测器float-actuated level controller: 浮标水准控制器; 浮子式液位控制器float liquid level indicator: 浮子式叶液面计; 浮子式液面计liquid level gauge with float: 浮子液面计level recording instrument: 电平记录仪下载手机词典可随时随地查词查翻译