新型塑杆夹，准确方便，适用于零散资料的收集、归类。
Novel clamp lever on the inside, accurate and convenient, suitable for the collection and assortment of the scattered documents.
最后讨论了V形杆与圆形杆夹待时的介质负载和色散特性。
Dielectric load and dispersion characteristics of slow wave structure with V-type rods and circular rods are discussed.
半圆形透明抽杆夹，配上透明片，轻便、灵活，适用于各种文稿递交。
Semicircular transparent slide clamp, match transparent sheets, light and flexible, suitable for the summit of all kinds of documents.
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