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- Therefore,it is not appropriate to use the difference between the initial setting times as the index of the retarding effect of the retarder for plaster. 所以,初凝时间差不宜作为石膏缓凝剂的缓凝效果指标。
- Detecting method of retarding effect of S-type retarder for plaster S型石膏缓凝剂缓凝效果的检测方法
- retarder for plaster 灰浆缓凝剂
- Practice taking impression for plaster models two pairs,? 练习取印模、灌石膏模型二付,装石膏托。
- Field service for transmission and retarder for buses(warranty works and repairs). 质保内外的变速箱和缓速器维修服务。
- A thin strip of wood or metal,usually nailed in rows to framing supports as a substructure for plaster,shingles,slates,or tiles. 板条作为灰泥、木瓦、石板瓦或瓦片基部结构的细木条或金属条,常被成排钉起来用于构架支撑
- A thin strip of wood or metal, usually nailed in rows to framing supports as a substructure for plaster, shingles, slates, or tiles. 板条作为灰泥、木瓦、石板瓦或瓦片基部结构的细木条或金属条,常被成排钉起来用于构架支撑
- Using proper baking and pouring process for plaster mold,the castings with qualified size and good surface quality could be obtained. 在此基础上,对工作石膏型采用合理的烘烤和浇注工艺,得到了尺寸合格、表面质量好的铸件。
- Coromandel Technique Coromandel technique has special request for plaster background tools that the plaster layer must be slightly thick and tenacious. 刻灰",又名"刻漆","大雕填"。其灰地工艺具有特殊要求,灰层略厚且刚韧相济。髹漆后,在漆胎之上以勾、刺、片、起、铲、剔、刮、推等技法,刻出和谐精细的凹陷花纹,最后施粉、搭彩、固色。
- In this paper,the optimical technological requirement of the synthesis of acrylate under the catalysis of heteropoly acid was gotten and polymerization retarder for acrylate. 本文研究了杂多酸催化合成丙烯酸酯的工艺条件及其对丙烯酸酯的阻聚作用。
- The pressure casting process of oval platter was narrated,snd the requirements for plaster mould were given in this paper. 叙述了鱼盘压力注浆成形的过程和结果,列出了对石膏模型的要求。
- The preparation of a wall,ceiling,or floor with strips of wood or metal to provide a level substratum for plaster,flooring,or another surface or to create an air space. 钉板条铺墙、天花板或地板前的准备工作,利用木条或金属条为室内地板材料立起水平底层或别的颊或者留出空气的空隙
- A bowl of hot chicken soup is good for you. 喝一碗热鸡汤对你有好处。
- Are you willing to stand surety for your brother? 你愿意当你弟弟的保证人吗?
- I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
- The preparation of a wall, ceiling, or floor with strips of wood or metal to provide a level substratum for plaster, flooring, or another surface or to create an air space. 钉板条铺墙、天花板或地板前的准备工作,利用木条或金属条为室内地板材料立起水平底层或别的颊或者留出空气的空隙
- It is very unwise for the girl to marry him. 这女孩嫁给他是很不明智的。
- She had to scrimp and save to pay for her holiday. 她不得不为付假期的费用而苦苦攒钱。
- He took out a fire insurance policy for his house. 他为自己的房子办理了一份火险保险单。
- The results showed that PDM was an effective scorch retarder for MgO/PER/TRA vulcanizing systems, and the vulcanizates with excellent compression permanent set and heat resistance could be obtained by PDM/antioxidant AW vulcanizing systems. 结果表明,在 MgO/PER/TRA硫化体系中,PDM是有效的防焦剂,采用PDM/防老剂 AW硫化体系可以制得压缩永久变形和耐热性能优良的硫化胶。