Pipe shall be homogeneous throughout, free from cracks, holes or foreign material, and shall be free from blisters, dents, ripples, die and heat marks.
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。
Fifteen workers collapsed, and those that went home to beat the heat got negative marks put on their records.
十五个工人病倒，他们获准回家避暑，档案上却留下了负面的记录。
This region marks where heat rising from the leading edge of the plume is pushing rock up, as tectonic forces cause the plume to drift eastward.
这个区域标志来自火山柱主要边缘的热度正在把岩石往上拱，如构造作用力导致火山柱向东方漂移。
This region marks where heat rising from the leading edge of the plume is pushing rock up, as tectonic forces cause the plume to drift eastward.
这个区域标志来自火山柱主要边缘的热度正在把岩石往上拱，如构造作用力导致火山柱向东方漂移。
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