说明： 长江及内河航行的船舶，且艉管工作介质为油类，建议选用该类型艉管轴承。 Remarks: This type of stern tube bearing is suitable for inland water vessels whose stern bube working medium is oil.
说明：中小型快艇或船舶建议使用该浮动自密封形式的隔舱密封装置。 Remarks: It is suggested that small and nedium yachts or vessels should equip with this floating self-sealing bulkhead sealing apparatus.
