two back后拉驾驶杆twonum.二；两个two thousand eight hundred and fifty six(=2856) 二千八百五十六two thousand nine hundred and twenty six(=2926) 二千九百二十六two thousand four hundred and fifty nine(=2459) 二千四百五十九two thousand five hundred and thirty six(=2536) 二千五百三十六two thousand six hundred and twenty five(=2625) 二千六百二十五two thousand eight hundred and forty six(=2846) 二千八百四十六two thousand nine hundred and thirty six(=2936) 二千九百三十六two-channel acoustic emission analyzer双通道声发射分析仪two thousand one hundred and eighty five(=2185) 二千一百八十五two thousand six hundred and twenty nine(=2629) 二千六百二十九