electric button造句怎么写
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When the utility model chisels and grinds the saw blade, two working procedures of chiseling and grinding can be automatically completed by only pressing an electric button and a handle.
In the vestibule below was a letter-box into which no letter would go, and an electric button from which no mortal finger could coax a ring.
Rolling shutter opening methods are varied, electric remote control, electric button, manual remote pole, pull strap, spring shaft drive and so on.
Shutter Windows open easily and electrical control, electric button switches, rocker hand, a belt wheel, the spring drive shaft and other open manner.
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