实际密度的英文

例句与用法

1. Methods of test for masonry units - determination of real and bulk density and of total and open porosity for natural stone masonry units
   砖石结构体的试验方法.天然石头砖砌结构体的实际密度和体积密度及总孔隙度和开放孔隙度的测定
2. Methods of test for masonry units . part 4 : determination of real and bulk density and of total and open porosity for natural stone masonry units
   圬工设施试验方法.第4部分:天然石圬工设施总的和开式多孔性的测定及实际密度和松密度测定
3. According to the gravity - elasticity similar law the model scale of bai shan pumped - storage hydroelectric plants is taken as the trashrack bar is made of zinc , the relative errors between its practical density and elastic modulus and its proper values are - 7 . 82 % and + 1 . 43 % , respectively . by lvs measuring the velocity distribution ahead the trashrack bar and on the basis of the velocity distribution the working conditions of the pumped - stroage hydroelectric plant are controled . the dynamic strain of the trashrack bar induced by flow are measured using strain slips
   选择白山抽水蓄能泵站拦污栅水弹性模型的主要比尺为_ l = 3 、 _ e = 3 、 _ p = 1 ，栅条用锌板加工而成，模型材料的实际密度和应有密度的相对差为- 7 . 82 ，模型材料的实际弹模和应有弹模的相对差为+ 1 . 43 ，用激光流速仪量测栅前流速分布，并用流速分布作为控制工况的依据，用应变仪量测栅条应变。