Method: To choose best recipe and craft by doing experiment of face junction and survey its quality stability under the condition of chamber temperature and hasten experiment.
方法:采用正交试验的方法,选择最佳处方及工艺,并考察其室温条件下和加速试验后其质量稳定性。
2
Most people don't have the writing skills to craft clear, unambiguous survey questions.