Natural stone test methods . determination of real density and apparent density , and of total and open porosity 天然石材的试验方法.实密度表观密度总孔隙率和开放孔隙率的测定
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
开放: come into bloom孔隙: small opening; hole; pore; a ...放孔: discharge hole排放孔: discharge hole; discharge orifice泄放孔: bleed hole; escape orifice紧急排放孔: emergency drain空气泄放孔: holes for air release砾石排放孔: gravel pass溶液排放孔: solution-drain hole孔隙: small opening; hole; [冶金学] pore; aperture gap; pore space; ventage; void开放: 1.(展开; 开花) come into bloom 玫瑰花已经开放。 the roses have come into bloom.2.(解除封锁、限制等) lift a ban; lift a restriction; opening to the outside world 我国的开放政策不是收, 而是要继续放。 china will continue its policy of opening to the outside world on a broader scale, rather than back away from it. 中国要进一步扩大开放范围。 china will further expand the scope of its opened-up areas.3.(道路允许通行) open to traffic; open to public use 新建的港口已向外轮开放。 the new port has been opened to foreign ships.4.(接待游人、参观者等) be open to the public 这个旅馆现在已向客人开放。 the hotel is now open to guests. 本诊所除给职工及其家属就诊外, 还对外开放。 the clinic is open to outsiders as well as employees and their families.; 开放泊地 [航海学] open roadstead; 开放城市 the open cities; city open to foreigners; 开放大学 open university; open college; 开放地带 the open regions; 开放地区 open region; open area; 开放港 open port; 开放格局 pattern of opening to the outside world; 开放技术市场 open markets for technology exchanges; 开放经济 open economy; 开放锚位 [土] open berth; 开放水道 open lead; 开放条约 open treaty; 开放文化 open culture; 开放戏剧 open theatre; 开放信托投资 open-end investment trust; 开放型 open type; 开放政策 open policy; the policy of opening to the outside world带排放孔的桶板: bung stave泄放孔;放出的液体: bleed孔隙比;孔隙率: void ratio孔隙度, 孔隙率: amount of porosity孔隙度;孔隙率: porosity孔隙率.孔隙度: porosity粗孔隙: coarse porosity大孔隙: macropore; megapore环孔隙: circumpolar lacuna间隙;孔隙: pore space巨孔隙: megapore孔隙;放气: ventage孔隙比: percentage of void; pore pressure; pore solids ratio; pore-solids ratio; porosity ratio; void ratio; void-free; voidratio; voids ratio孔隙冰: pore ice