In most depictions of the activity, the practitioner envisions an endless series of identical white sheep jumping over a fence, while counting them as they do so.
大多数人在数绵羊的时候都想一个相同的景象：连续不断的羊群跳过一段白色的围墙，他们自己就一个一个地数。
The different series of fence, must carry on the strength and deflection according to the stress condition of the experimental verification or unlucky criterion.
对不同系列的护栏网，必须要按受力状况最晦气准则进行强度、挠度的校核或实验。
Products mainly include the Iron gate, Iron anti-theft Windows, Iron fence, Iron staircase handrails, Iron balcony railing, transport facilities, stainless steel series, lighting engineering.
产品主要包括铁艺大门、铁艺防盗窗、铁艺围栏、铁艺楼梯扶手、铁艺阳台护栏、交通设施、不锈钢系列、采光工程等。
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