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气孔,焊接接头
meaning in Chinese
porosity welded joints
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(铸疵)
气孔(纸博
气孔,鸡眼
气孔,气根
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