您要查找的是不是:
- Utilizing the characteristic of the ultrasonic longitudinal wave,a new method that judges the density of oil by measuring time difference and phase place is put forward,and an instrument is designed. 利用超声波纵波的特性,提出一种利用超声波在油料中传播的时间差和相位差两项指标综合判定油料密度的方法,并设计了检测装置。
- The price of oil has suddenly rocketed up. 石油价格突然飞涨。
- The density of population in this city is very high. 这个城市的人口密度非常高。
- The country has abundant supplies of oil. 这个国家的石油供应充裕。
- The price of oil have reach$30 a barrel. 石油的价格已涨到每桶30美元。
- The area had a population density of five people per square mile. 该地区人口密度为每平方英里五人。
- How much does a barrel of oil cost? 一桶石油要多少钱?
- There is a slick of oil on the water. 水面上有一片浮油。
- Mexico has a large surplus of oil. 墨西哥有大量过剩的石油。
- Do you know the density of population in this area? 你知道这个地区的人口密度吗?
- Last year there was a big supply of oil and the price hit bottom. 去年石油供给充足,价格降到最低点。
- Japan has a high density of population. 口密度很大。
- IS THE POPULATION DENSITY OF CHINESE CITIES HIGH? 中国城市的人口密度高吗?
- Consumption of oil increase even after it rise in price. 即使涨价后石油的消费仍在增长。
- What is the bulk density of the feed material? 进料物的容重比?
- What is the bulk density of the product? 所需产品的容积密度是多少?
- Is the density of such hollow fortresses. 是指这种空心敌楼非常密集。
- A low number; a low grade of oil. 一个小的数; 低级油
- Water has a density of 62.4 pounds per cubic foot. 水的密度是每立方英尺62。4磅。
- Density of products, and low thermal conductivity. 产品密实性好,导热系数低。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries