| 释义 | trunking noun
 (-s)
 Etymology: from gerund of trunk (III)
 1.  : an act or instance of employing a trunk
 2.
 a.  : a casing to protect electrical conductors
 b.  : trunk 5d(1)
 3.
 a.  : the provision of adequate trunks and switching facilities in either a manual or automatic communications system
 b.  : the interconnections provided
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