Assimilating the filling pipe to a grounded conductor at the axis of the vessel, the electrostatic boundary problem is solved analytically.
将鹤管等效为储罐对称轴上的接地导体，推导了静电场边值问题的解析解。
The utility model discloses a water-pressure pipeline dredger, which comprises a water filling pipe, a water inlet pipe, and an elliptical ball-shaped capsule.
本实用新型公开了一种水压管道疏通器，它由充水管、进水管、椭球型胶囊组成。
The improved hermetic connection method includes spot welding to connect the filling pipe and fuel oil tank and then adhesion connection and sealing with adhesive.
一种汽车燃油箱加油管连接密封处工艺改进方法，先用点焊方法将加油管与油箱连接若干点，然后用粘接胶将加油管与油箱连接处密封。
The lower ends of the water filling pipe and the seed discharging pipe are fixed in the two parallel holes of the perforator, and the upper parts are connected by connecting sheets.
注水管和下籽管的下端固定在打孔器的两平行孔内，上部由联接片相联；
The lower ends of the water filling pipe and the seed discharging pipe are fixed in the two parallel holes of the perforator, and the upper parts are connected by connecting sheets.
注水管和下籽管的下端固定在打孔器的两平行孔内，上部由联接片相联；
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