Manual control or electric control of pressure , time , temperature or semiautomatic control.操作采用手控或气控压、控时.控温半自动控制三种.There are many good automatic, semiautomatic, and hand feeding devices available commercially.市场上已有许多优良...
There are many good automatic, semiautomatic, and hand feeding devices available commercially.市场上已有许多优良的自动 、 半自动和手工饲喂装置出售.Manual control or electric control of pressure , time , temperature or semiautomatic control.操作采用手...