The supporting length of the boring bar is prolonged and the hardness of the boring bar is greatly increased by the guide sleeve.
由于增加了导套，延长了镗杆的支撑长度，大大增强了镗杆的刚度。
Dropping bucket cover holes (4) are arranged on the dropping bucket cover, and supporting parts of the sleeve rods can freely move in the dropping bucket cover holes.
滴斗盖上设有滴斗盖孔(4)，套杆的支撑部分能在该滴斗盖孔内自由移动。
The fixing sleeve is made of an elastic material, and the two ends of the support bar and the fixing sleeve are in slip connection with the supporting transverse rods.
紧固套由弹性材料做成，支撑杆与紧固套两端与支承它们的横杆滑动连接。
The utility model is mainly composed of an extra strong pipe, bolts, a tubule, a hook, a supporting rod, wheels, a sleeve, a cross beam and a hook seat.
它主要由粗管、螺栓、细管、挂钩、支杆、车轮、套筒、横梁、挂钩底座 构成。
Sleeve kind parts is a kind of application range is very wide, the machine has a mainly supporting. centre positioning or guiding role in parts.
套筒类零件是一种应用范围很广，在机器中主要起支承、定位或导向作用的零件。
The main parts of pump are pump casing, pump cover, impeller, shaft, shaft sleeve and supporting parts.
主要由泵体、泵盖、叶轮、轴、轴套和支承部分构成。
The main parts of pump are pump casing, pump cover, impeller, shaft, shaft sleeve and supporting parts.
主要由泵体、泵盖、叶轮、轴、轴套和支承部分构成。
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