liquid flowmeter是什么意思

用法例句

Design of Large Volume Liquid Measuring Device;

大容量液体计量装置的设计

Concentration of liquids under a high voltage field;

高压电场浓缩液体物料技术的研究及进展

Research of manufacture and application of liquid automatic dishwashing detergent;

洗碗机用液体洗涤剂的研制