日历 定位杆套管

date jumper tube  detail>>

日历定位杆位钉

date jumper spring foot  detail>>

周历定位杆

day jumper  detail>>

周历定位杆簧

day jumper spring  detail>>

定位杆

backstay locating pin locating rod registration arm  detail>>

日历指示器传动星轮定位杆

indicator driving star jumper  detail>>

方钻杆套管

kelly bushing  detail>>

气门杆套管

valve thimble  detail>>

推杆套管

push rod tube  detail>>

侧定位杆

side gage bar side gauge bar  detail>>

挡板定位杆

baffle spacer  detail>>

定位杆簧

jumper spring  detail>>

定位杆簧, 跳簧

jumper spring  detail>>

开关定位杆

switch jumper  detail>>

起闹定位杆

alarm bolt jumper  detail>>

跳轮定位杆

jumping wheel jumper  detail>>

跳时定位杆

jumping hours jumper cover  detail>>

压簧定位杆

combined setting lever jumper  detail>>