Can be relaxed to take appropriate fill tube plug seal clearance.

可采取适当放松填料、清理封管堵塞。

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The end plug component comprises a rail tube plug socket connected with the power line rail tube and a lamp tube plug socket connected with the lamp tube seat.

所述端部插头组件包括与电源线轨道管相连接的轨道管插头座及与灯管灯座相连的灯管插头座。

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Application of some measures, such as semi-close unloading and increase of crane tube plug etc. can availably decrease oil gas concentration in operating area.

采用半封闭卸车、增加鹤管堵头等措施可有效降低作业空间的油气浓度；

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The heart plug is implanted through a transcatheter tube inserted through the groin, a minimally invasive procedure compared with open-heart surgery.

WSJ: Doctors Debate Whether Strokes Be Prevented With a Heart-Plug Procedure