As the team struggles to track down one of the robbers, what clue do they find inside a 10-inch pipe to suggest that their quarry somehow escaped through that impossibly narrow passage?
队员们全力找寻劫匪的踪迹，他们在十英寸宽的管道里发现了什么线索，表明了他们的目标是从这不可思议的狭窄通道里逃跑的？
Assemble drill to break through the first layer of crust, the crew deploys a steel pipe with an 11-inch-wide drill bit at the bottom.
为了突破第一层地壳，船员们使用底部装有11英寸宽的钻头的钢管。
The tooth shape, fit and mark of clamping connection and pipe connection inch threads commonly used are introduced and their seal features.
介绍了常见的用于紧固联接英寸制螺纹和用于管道连接英寸制螺纹的牙形、配合和标识，以及管螺纹的密封特点。
The tooth shape, fit and mark of clamping connection and pipe connection inch threads commonly used are introduced and their seal features.
介绍了常见的用于紧固联接英寸制螺纹和用于管道连接英寸制螺纹的牙形、配合和标识，以及管螺纹的密封特点。
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