When you have a second prototype, conduct a second set of user observations to test the workability of your design changes.
当您出了第二个原型时，重新更换用户来测试新设计方案的可行性。
Mechanism, Mix ratio design, workability evaluation and test method of high-dropping shake-free self-compacting concrete were put forward.
提出对高抛免振捣自密实混凝土的工作机理、配合比设计、工作性评价方法及相应的试验方法。
This article discusses the influences of fine slag powder to workability, compressive strength and durability of concrete in the test.
通过试验讨论了矿渣微粉对混凝土工作性能、抗压强度及耐久性的影响。
This article discusses the influences of fine slag powder to workability, compressive strength and durability of concrete in the test.
通过试验讨论了矿渣微粉对混凝土工作性能、抗压强度及耐久性的影响。
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