A course material used in blast cleaning, such as sand, steel shot, glass beads or plastics.

用于喷抛清理一种流动材料，例如砂子、钢丸、玻璃珠或塑胶制品。

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A course material used in blast cleaning, such as sand, steel shot, glass beads or plastics.

用于喷抛清理一种流动材料，例如砂子、钢丸、玻璃珠或塑胶制品。

youdao