- testing method for viscosity of pattern materials in investment casting
- 粘度: viscosity
- 测定: determine; determination; se ...
- 方法: method; means; way; techniqu ...
- 淀粉粘度测定方法: method for determination for viscosity of starches
- 褐煤蜡粘度测定方法: determination of viscosity of montan wax
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