Heating color variable inks 热敏防伪油墨

CVD variable-heating-rate method 可变加热法

Heating color variable printing ink 热敏变色防伪油墨

variable heating 变加热

variable-power heating 变功率加热

cvd variable heating rate method 可变加热法

Variable heating load 变动热负载

variable heating cost 可变热费

variable-heating-rate method 可变加热速率法

indirect variable flow heating system 变流量间接供热系统