活塞杆与介杆为卡箍连接，可实现快速拆卸。
The piston rod includes an intermediate rod, that allows quick assembly & disassembly.
现场使用证明，这种介杆密封装置能有效地防止介杆油封的偏磨，从而可延长油封使用寿命，增强密封效果。
The result of the field test shows that, by using the new sealing assembly, the oil seal wear caused by offset can be effectively prevented, therefore the service life of…
现场使用证明，这种介杆密封装置能有效地防止介杆油封的偏磨，从而可延长油封使用寿命，增强密封效果。
The result of the field test shows that, by using the new sealing assembly, the oil seal wear caused by offset can be effectively prevented, therefore the service life of…
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