A hydrometer used to determine the specific gravity of acid solutions.
酸液比重计用来测定酸液比重的液体比重计
A hydrometer for measuring the specific gravity of urine.
尿比重计衡量尿的比重的液体比重计
Hydrometer: An instrument used for measuring the specific gravity of a liquid or solution.
比重计:量度液体或溶液的比重的仪器。
hydrometer with pipette
带吸量管的液体比重计
thermometric hydrometer
带有温度计的液体比重计
a hydrometer that includes a thermometer.
含有温度计的液体比重计。
An instrument, such as a hydrometer, used to determine the amount of alcohol in a liquid.
酒精比重计一种如液体比重计的仪器，用来测定液体中酒精的含量
laboratory glass acidimeter
玻璃酸（液）比重计，实验室用
Mercury, the liquid metal that is used in many thermometer, is very much heavier than water.
许多温度计中应用的液体金属--水银比水重得多。
hydrometer of constant immersion
变浮比重计浮比重计
gravity battery
比重液电池，重力电池
a hydrometer that determines the concentration of salt solutions by measuring their density.
通过测量密度来测定盐溶液的浓度的液体比重计。
pumping temperature
泵送温度下的液体比重
Most solids are heavier than liquids.
大多数的固体比液体重。
Design of New Hydraulic Pumping Unit with Electro-hydraulic Proportional Control
新型电液比例控制液压抽油机的设计
An instrument used to measure specific gravity.
比重计用于测量比重的仪器
Two world of beings with form position idea uses two kind of liquid phase medium the proportion difference, causes special coating the glass float to float in the position.
二色界位计利用两种液相介质的比重差，使特殊镀层的玻璃浮子浮在界位上。
