最佳的岩石水晶有着水清晰净度和淡光。
The best rock crystal has the clarity and shimmer of water.
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The best rock crystal has the clarity and shier of water.
并对两种产品进行水泥净浆流动度及其经时损失值测试。
Such performance as fluidity of grout and its loss were tested.
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模块上移
模块下移
不移动