The development and testing of the formula of the new type oil resistant and cold resistant rubber are described with reference of the stand ard for the same category products abroad.
在参考国外同类产品标准的基础上，介绍了新型耐油又耐寒橡胶配方的研制、试验情况。
The empirical formula and calculation parameters can be used in design of post grouting man power mine pile on the same geological type with reference value.
应用的经验公式及其计算参数可供同类型地质的后压浆人工挖孔桩的设计参考。
The correlation coefficient of parameters of same type in different elements is estimated by test data or empiric formula.
不同单元的同一类型参数的相关系数通过对检测数据的数理统计或利用工程师的经验得到估计。
The correlation coefficient of parameters of same type in different elements is estimated by test data or empiric formula.
不同单元的同一类型参数的相关系数通过对检测数据的数理统计或利用工程师的经验得到估计。
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