其它的缺点包括：短操作航程、几乎没有导航和通信设备，而且它的舰桥提供了非常低的视野。
Other shortcomings included: short operational range; navigation and communication equipment were almost none-existent, and its bridge offered very low visibility.
此发明解决了现有液压工具手工操作较为费力、使用寿命短等技术问题。
The invention solves the technical problems of more laboursome manual operation and short service life of the prior hydraulic tool.
该设备具有碎解能力强、碎浆时间短、操作维修方便、对浆料只有离解作用而没有切断作用等优点。
This equipment has strong pulp ability, short time and convenient maintaining. it is only dissociating function and not cutting off to the thick liquid material.
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