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- grade specific gravity 分选比重
- An instrument used to measure specific gravity. 比重计用于测量比重的仪器
- Mohrs scale is 8, specific gravity is 5.6-6.0. 无解理，摩氏硬度8，比重3.;63。
- Granted the weight and the specific gravity of a body, we can calculate its volume. 假设已知一个物体的重量和比重，我们就能算出它的体积。
- Keywords Graded specific gravity combine stoner;rice;stone;clod;Separation rate; 比重分级去石机;稻谷;砂石;泥块;去除率;
- 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
- Having relatively high density; having a high specific gravity. 比重较大的浓度相对较重的；重力大的。
- An instrument used to measure density or specific gravity. 比重计，浓度计用于测量密度或特定重量的仪器
- 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
- Magnesium is a light metal--having a specific gravity of 1.74 at 20 degrees C. 镁是一种轻金属，在20摄氏度时的比重为1.;74。
- Size and grade specific cap bolts offer superior clamping force between the cap and base. 座罩螺栓有不同的尺寸和等级,在座罩和基础之间形成理想的夹持力。
- Even: homogeneous in particle size and confirming to the grade specification. 即使是:均匀,粒度和确认的等级规格。
- Specific gravity is the ratio of the density of a substance to the density of water. 比重是某物质的密度与水的密度之比。
- The clinician is best guided by evidence of a water diuresis as indicated by observation of the urine specific gravity. 临床上最好的办法是通过观察尿的比重作为水利尿的指示。
- Granted the weight and the specific gravity of a body,we can calculate its volume. 假设已知一个物体的重量和比重，我们就能算出它的体积。
- Once the desired specific gravity is established, the same strength must be used henceforth. 所需的比重一经确定，以后就必须使用同一浓度的酸。
- Zinc powder is a kind of deep gray powder, which consists infinitive form of circular particle, specific gravity 7. 本品为深灰色粉末,由不定形或圆状颗粒组成,比重为7。
- In this range, the pressure drop increases in proportion to the specific gravity of the mixture. 在这个范围内压力差的增加与深水的比重成比例。
- The specific gravity of a material is the ratio of its density to that of water and is therefore a pure number. 物质的比重指的是物质的密度与水的密度的比值，所以是纯数。
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
