短語詞組

短語

• Hollow rock drill steel 鑿巖釺桿用中空鋼;中空鋼
• Hollow -Drill Steel 空心鑽桿;空心鑽鋼
• hollow rock drill steel rolling 中空鋼軋制
• hollow drill steel bar 中空鑽桿鋼筋
• hollow drill steel steachdard 中空鑽桿鋼筋
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