top plunger 中文意思是什麼
top plunger
解釋
上沖桿-
Top quality hydraulic pump with welded construction hard chrome plated pistion and pump plunger ensure durability and corrosion resistance
液壓缸體為優質鋼焊接而成,注塞桿、泵芯鍍硬鉻,耐磨、耐腐蝕。
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