Joule heat and electromagnetic force coupling physical effect are the main mechanism of these phenomena.
焦耳热和电磁力偶合物理效应是造成这些现象的主要机理。
Harvesters meet spring the basic form for the trunk, frame, buffer, coupling and walking mechanism.
矿车碰头弹簧其基本组成为车箱、车架、缓冲器、联接器和行走机构。
Harvesters meet spring the basic form for the trunk, frame, buffer, coupling and walking mechanism.
矿车碰头弹簧其基本组成为车箱、车架、缓冲器、联接器和行走机构。
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