1.
Research on New Environmental Friendly Heat Cured Sand of Al-Mg-B Compound Phosphate Inorganic Binder
新型环保铝镁硼复合磷酸盐铸造无机树脂粘结剂热硬砂研究
2.
any of numerous compressed deep-bodied tropical fishes with sandpapery skin and erectile spines in the first dorsal fin.
多种身体扁平细长的热带鱼，皮肤粗糙如砂纸，前部的背鳍可直立如硬刺。
3.
A coarse hard sandstone used for making grindstones and millstones.
砂石一种用来做磨石或石磨的粗而硬的砂石
4.
Improvement on Feeding System of Liquid Materials in Resin Cured Sand Miser
树脂自硬砂混砂机液料供给系统的改进
5.
Bonded abrasives hardness measurement by sand blasting
GB/T2490-1984喷砂硬度机检验磨具硬度的方法
6.
stiff paper coated with powdered emery or sand.
覆有金刚砂粉末或沙的硬纸。
7.
The texture or fineness of sand or stone used in grinding.
粒度，硬度用作磨料的砂或石的精细度
8.
a hard coarse-grained siliceous sandstone.
一种硬质、粗颗粒的硅酸砂岩。
9.
Kentish rag
肯特郡产坚硬砂质石灰岩
10.
Intelligentized Semiautomatic Grinding Wheel Balancer Hardware and Software Development;
智能砂轮半自动平衡装置软硬件开发
11.
Causes And Resolvents To Cracks In Self-Hardening ResinSand Mould;
自硬树脂砂型的开裂原因及防止措施
12.
Analysis on the Use Mistake of Furan Resin No-Bake Sand
呋喃自硬树脂砂工艺使用误区的分析
13.
The Small Hole Grinding and the Use of Wheel Quill Shaft Made by Carbide
小孔磨削及硬质合金砂轮套轴的使用
14.
Research on Heavy Oil Thermal Recovery Sand Production Prediction and Sand Control Methods Optimal Selection Technology;
稠油油藏热采出砂预测与防砂技术研究
15.
This paper has looked back resin sand development course, Fu Nan resin test , have determined mould and core sand technology in crankshaft casting;
本文回顾了树脂砂发展过程，对呋喃树脂自硬砂进行了试验，确定了曲轴型芯砂工艺；
16.
Hardness was decreased after maximum by high temperature heating.
高温加热硬度达最大硬度以后保温硬度降低。
17.
A new core-making process of resin sand cured by acetal of gas-process is introduced in this uaper.
介绍一种新的气体硬化树脂砂制芯工艺——乙缩醛硬化工艺.
18.
Quanlity Control of Aluminium and Magneisium Alloy Castings by Cold Harden Resin Sand Process
冷硬树脂砂铸造铝镁合金铸件的质量控制