tube plug with socket 套管形插头连座
boiler tube plug welding 锅炉管孔堵焊 ; 锅炉钢管孔堵焊
operating tube plug 操作管塞
tube plug drawing 短芯棒拔制
seamless tube plug 无缝钢管顶头
Inhalation tube plug 吸入管堵塞
tube plug drawing mill 短芯棒拔制
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。
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。
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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