YH3BF剖分式油润滑艉轴密封装置
适用于安装、更换、维修不需拆卸螺旋桨轴及舵叶，且润滑工作介质为油的各类船舶。
Remarks:
It is suitable for
kinds of vessels that do not need to disassemble the propeller shaft
and rudder blade while installing, changing and maintaining and whose
lubricating working nedium is oil.
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