Graded standard sand 级配标准沙 ; 标准级配砂 ; 级配骨材
ISO standard sand ISO标准砂
substituted ISO standard sand 代用ISO标准砂
Standard sand for mortar cubes 灰浆立方块体试用标准砂
AFS standard sand 美国铸造协会标准砂
fujian standard sand 福建标准砂
graded joint standard sand 级配标准砂
CHINA STANDARD SAND FACTORY 中国标准砂厂
Ltd. is the only enterprise designated by Chinese government to produce and sell China ISO Standard Sand.
中国ISO标准砂是等同采用国际标准检验水泥强度的法定基准材料，是国家专营专控的战略性物资。
High performance mineral polymer can be prepared while the content of sodium silicate in the alkaline liquid and the standard sand in the solid materials are both kept around 70%.
硅酸钠水玻璃在液相中的比例约为70%，且标准砂占固相的比例为70%左右时，可制得力学性能良好的矿物聚合材料。
Like a line in the sand, an absolute poverty standard shows whether the economic tide is moving in or out. It does not matter too much where on the beach it is drawn.
就像在沙滩上划线，绝对贫困标准显示经济潮流是进是退，和这条线划在沙滩的哪里没有太大的关系。
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