DC electromagnet for valve 直流阀用电磁铁
DC-electromagnet double-shoe brakes 直流电磁铁块式制动器
DC-electromagnet braker 直流电磁控制器
DC electromagnet for regulator 直流阀用电磁铁
DC wet-type electromagnet for vingve 交直流湿式阀用电磁铁
In the paper, we report an auto-tracking solar appliance based on the intermittent attraction of a DC electromagnet.
本文报道了一种使用直流电磁铁间歇吸合的太阳自动跟踪装置。
Pulse electromagnetic DC motors, in their simplest form, consist of electromagnet with armature and ratchet wheel mounted on shaft. The right end of armature carries pawl.
脉冲直流电机的最简单结构形式是由固定在架子上的线圈和棘轮组成，线圈的右端装有棘爪。
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