eraek

常见例句

• ground eraek
  地裂縫
• grouting in eraek
  裂縫灌漿
• easting eraek
  鑄件裂紋
• runner eraek
  轉輪裂紋
• deformation eraek
  變形縫
• concrete eraek
  混凝土裂縫
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