New type sealing box structure has good sealing, fine appearance, convenient and fast installation and adjustment.

新型分体式拉丝盒结构，密封性能好，外形美观，安装调试更方便、快捷。

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One kind of full sealing box transformer substation, which is adapted for the hot, moist and dirty environments, is presented.

介绍了一种适合于在炎热、潮湿地区和污秽环境中使用的全密封防腐隔热型箱式变电站及其运行情况。

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The problems such as overheat and blackening of the piston rod are solved by means of improving the composition of packing in the sealing box.

通过改进密封函填料配方解决了活塞杆过热发黑的问题。

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He had this shrink-wrap sealing machine that would seal three edges around a box with heat.

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