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气孔填焊
meaning in Chinese
welding up of blowholes
Related Words
开气孔
气孔带
气孔计
气孔室
气孔缝
输气孔
气孔抵抗
气孔构造
气孔填充
显露气孔
气孔探测仪
气孔填充
气孔图
气孔窝
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