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- porosity by closed pore 闭孔率
- Marked by close acquaintance, association, or familiarity. 亲密的以密切的相识、联系或熟悉为标志的
- Could you oblige me by closing the door? 请你为我关上门好吗？
- Marked by close association for devious purposes. 出于不正当目的而紧密结合起来的.
- It is widely used to test castable on porosity by submergence in physical property inspection. 浸液法测定气孔率在物理性能检测中已得到广泛应用。
- Security monitored by closed - circuit TV Survillance system. 进出保安控制,闭路电视监察系统。
- Share prices had perked up slightly by close of trading. 收盘时股价略有上扬。
- The forming condition of crystal and closed pore in tabular alundum produced with electric melting is estimated and determined theoretically. 从原理上判断和估计了电熔板状刚玉结晶体和阔气孔的形成条件。
- Marked by close acquaintance,association,or familiarity. 亲密的以密切的相识、联系或熟悉为标志的
- Would you oblige me by closing the window? 帮我关窗好吗？
- Observes or studies by close examination and systematic inquiry. 通过近距离的考查和系统的质询进行观察或研究。
- We darkened the room by closing the shutters. 我们关上百叶窗，使房间变暗了。
- At high temperature, the material at the closed pore quickly completes the recrystallisation, but is needs a long time to weld the pore closure for atom diffusion. 高温下的空洞闭合后能够立即完成再结晶过程，但空洞焊合需要一定的保温时间。
- The alumina bubble is a hollow spherulitic heat-insulating material,which is made by electro-melted method.It is noted for its lightweight, heat-resistance, and close pore. 氧化铝空心球 ALUMINA BUBBLE 氧化铝空心球是由电熔法制得的空心球状隔热材料 .;它的特点是质轻闭孔耐高温。
- Will you oblige me by closing the door? 请替我关上门好吗?
- Please oblige me by closing the door. 请替我关上那个门。
- Kindly oblige my by closing the door? 请把门关上，好吗?
- Please oblige me by closing the window. 请替我关上那扇窗子。
- Abstract: In order to make use of perlite resources and solve traditional expansion perlite in application, a spherical closed pore expansion perlite with the properties of high strength and low water-absorbing has been developed. 文摘:为解决珍珠岩矿产资源利用及传统多孔膨胀珍珠岩在使用中存在的问题，研制成功一种强度高、吸水率低的球形闭孔膨胀珍珠岩。
- Infrasonic is caused by closed automobile compartment or cabin in vibration. 次声产生于关闭的汽车车厢里或在振动的舱里。
