this packer is characterized by being set by hydraulic pressure, being released by lifting up the string, being anchored by self-locking and being locked by circlip stepping.
该封隔器具有液压坐封、液压上提解封、自锁锚定、卡簧步进锁定等特点。
also, the processes by which sss is made into circlip pen-caps, blind rivets, inner-hexagon screws, hosepipes and hypodermic needles are described.
本文还叙述了sss钢在制成紧固环,钢笔帽,内六角螺丝,金属软管以及皮下注射针工艺中的应用。
a hydraulic circlip type hand locking hydraulic cylinder for the auxiliary positioning support of work-piece is provided.
一种液压卡簧式手动锁紧油缸,用于工件辅助定位支撑。