choke ring 中文意思是什麼
choke ring
解釋
阻塞環-
Gps choke ring antenna
Gps基準站天線 -
Zyagd - s035 l1 l2 choke ring antenna provides geodetic - quality gps measurements for surveying, mapping and research applications. the dual - frequency antenna maintains millimeter accuracy, features
Zyagd - s035 l1 l2扼流圈天線適用與大地測繪,制圖和研究等項目。
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