增压油槽车 pressure tank car
非增压油槽车 nonpressure tank car
密封油压力槽 seal oil head tank
压力平衡油槽 oil channel in pressure balancing
压油槽
Oil pressure groove
以上为机器翻译结果，长、整句建议使用 人工翻译 。
安装时应将橡胶密封圈四周，梯形螺纹内，压环油槽内，中心管外径上涂黄油。
The grease should be laid on the periphery of seal ring, the inner of ladder-shaped screw thread and chuck ring oil channel during installation.
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