起重螺旋 千斤顶螺丝 螺杆千斤顶

jackscrew  detail>>

螺旋千斤顶，起重螺旋

jackscrew  detail>>

螺旋起重机,千斤顶螺杆,千斤顶螺丝

jack screw  detail>>

螺杆千斤顶

jack screw  detail>>

千斤顶螺杆

jack screw  detail>>

千斤顶螺丝

jack screw  detail>>

螺旋千斤顶

jacking screw jackscrew lifting screw milling jack screw block screw jack ;...  detail>>

千斤顶螺旋

jack bolt jack screw  detail>>

螺旋千斤顶压

jack-in-the-box  detail>>

齿杆千斤顶

rack jack  detail>>

杠杆千斤顶

lever jack  detail>>

蜗杆千斤顶

worm jack  detail>>

不可逆螺旋千斤顶

irreversible screw jack  detail>>

差动螺旋千斤顶

differential screw-jack  detail>>

车架螺旋千斤顶

bolster screw jack  detail>>

电动螺旋千斤顶

electric screw jack  detail>>

顶板螺旋千斤顶

roof jack  detail>>

棘轮螺旋千斤顶

ratchet screw jack  detail>>