Terms for subject Metallurgy containing variable-speed

English	Chinese
variable-speed belt conveyer	变速皮带机
variable-speed control	变速控制
variable-speed drive	变速传动装置
variable-speed gear	变速装置
variable-speed motor	变速电动机
variable-speed rolling	变速轧制
variable-speed wheel gear	变速齿轮箱
variable-speed wheel gear	变速轮传动装置