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Design and application of a kind of new sealed lead-acid battery charger.
一种新颖的密封铅酸电池充电器的设计与应用。
youdao
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Actuator design with fully sealed waterproof high degree of protection.
执行机构采用全密封防水设计防护等级高。
youdao
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Actuator design with fully sealed waterproof high degree of protection.
执行机构采用全密封防水设计防护等级高。
youdao