单词	frequency-changer set
释义	frequency-changer set 变频机组
随便看	Standard of blockboard engineering design standard of budget standard of bus standard of care standard-of-care standard of chemical industry Standard of chorusing materials standard of classification standard of classification of brain injury standard of coatings standard of comparison standard of compensation standard of competition standard of completed crime standard of conduct standard of construction standard of construction safety inspection standard of construction technology standard of consumption standard of control flood standard of country standard of criminal proof standard of criminal prosecution standard of criterion standard of CSR