Means need 25a contactor, main contact are three normally open, auxiliary contact is one normally open, control coil voltage is DC 110v, order volume is 20 sets.
表示为25a接触器的主触头为三对常开，辅助触头为一对常开，控制线圈的电压为直流110v，订货数量为20台。
Using microwave-heated ceramic chips instead of standard gas flame or electric coil, the system heats pans with near-perfect balance and lets you control the heat level with incredible precision.
取代通常用的天然气火苗或者电炉丝而用微波来加热陶瓷片，这个系统近乎完美地均衡加热平底锅并且使我们能以难以置信的精确度来控制加热水平。
The chair reclines and has a padded headrest. It also has a touch-screen control panel and an electrical magnetic coil that is positioned on a precise spot on the patient's head.
病人坐在一张类似于牙医椅子的装置上，这把椅子有个斜靠的椅背以及填充的头枕，同时还有一个触屏式的控制面板以及一个可以精确的和患者的头部吻合的电磁圈。
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