缩展器

【计】 compander

缩的英语翻译：

contract; crinkle; draw back; shrink; withdraw

展的英语翻译：

exhibit; open up; postpone; put to use; spread out; unfold; unfurl
【医】 abduce; abducent; abduct; abduction

器的英语翻译：

implement; organ; utensil; ware
【医】 apparatus; appliance; crgan; device; organa; organon; organum; vessel