螺旋顶高器 screw block
供应螺旋顶 Bottle Jack
螺旋千斤顶 screw jack ; jack screw ; jacking screw ; milling jack
钝顶螺旋藻 spirulina platensis ; Spirulina platensis Geitler ; irulina plate is ; Spirulina
顶举螺旋 jacking bolt ; jacking screw
螺旋千金顶 screw jack
螺旋千斤顶支柱 screw jack prop
螺旋式千斤顶 screw jack ; screw block
千斤顶螺旋 jack bolt
下层甲板的主梁必须立即用螺旋千斤顶进行支撑。
The main-beams of the lower deck had to be shored with screw-jacks forthwith.
自降螺旋千斤顶的螺纹无自锁作用，装有制动器。
From falls screw jack's thread non-self-locking action, is loaded with the brake.
这个倒链（油压千斤顶、螺旋千斤顶）的起重能力为 5 吨。
The lifting capacity of this chain hoist (hydraulic jack, screw jack) is 5 tons.
应用推荐