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.
分析了滚刀齿高和齿顶倒圆半径对所切齿轮齿根弯曲应力的影响。
And it analyzed that hob tooth height and tooth top pour round radius impacted on gear tooth root crooked stress.
结果表明,倒生的棉花胚珠可以分为合点区、株柄顶区、腰区和珠孔区。
The results showed that ovule surface might bedivded into the chalazal zone, crest zone, middle zone and the micropylezone.
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