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单词 latch
释义 latch
[lach]
ELECTRONICS
An electronic circuit that reverses and maintains its state each time that power is applied.
ENGINEERING
1. Any of various closing devices on a door that fit into a hook, notch, or cavity in the frame.
2. In plastics fabrication, a device used to hold together the two members of a mold.
MINING ENGINEERING
To make an underground survey with a dial and chain, or to mark out upon the surface, with the same instruments, the position of the workings underneath.
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