词汇	environment degradation
释义	environment degradation 法环境退化
随便看	mechanical strainer mechanical strain gage mechanical strain gauge mechanical straining mechanical strength mechanical strength characteristics mechanical strength grade mechanical strength of petroleum coke mechanical strength of resin mechanical strength property of wood mechanical strength shortage mechanical stress Mechanical Stresses mechanical stress relieving mechanical stress relieving method mechanical stress resistance test Mechanical stretch mechanical stretching exercise mechanical stretching-loading mechanical streteh mechanical strike through mechanical STRIKING-mechanisms in clocks mechanical stripping mechanical stroboscope mechanical stroker