滑动水密下舵承 CB*790-87
说明：
该下舵承与CB*789上舵承配套使用，该型式防沙效果较好。
Remarks:
This lower rudder bearer is used together with CB*789 upper rudder bearer and has a good sand prevention effect. 
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设计加工各类船用艉轴、船用艉轴密封装置、船用阀门及附件、船用集装箱紧固件和绑扎件Design and process various marine stern shafts, marine stern shaft sealing devices…
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