... A、regret B、duty » 一，遗憾乙，责任 There shall be no crack » 应无裂纹 Blocked Services » 被阻止的服务 ...
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通常，应确保工具的所有零件都正确固定住，且工具无裂纹和缺口。
In general, make sure all tool parts are secured correctly and the tool is free of cracks and chips.
管子应通体均匀，无裂纹、无孔眼或杂质，还应无气泡、凹痕、波痕、拉模划痕和热痕。
Pipe shall be homogeneous throughout, free from cracks, holes or foreign material, and shall be free from blisters, dents, ripples, die and heat marks.
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