lead-alloy sheathing 中文意思是什麼
lead-alloy sheathing
解釋
鉛合金護套-
Lead - alloy sheathing
鉛合金護套 -
Lead and alloys - lead alloy ingots for electric cable sheathing and for sleeves
鉛和合金.電纜鎧和護套用鉛合金鑄錠
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