Mix up any feed of your choice using easy web based interface. To create a new RSS Mix, copy and paste the URLs of the existing source feeds into the box below and hit create.
可将任何数目的feeds合并到一个单独的feed里，也是基于线上的服务，界面简单，只要复制已存的feeds地址，粘贴到选框中点击创建即可。
A new type of underwater welding system is studied, which includes an oscillating wire feed system and a welding power source with staircase external characteristic.
研究了一种新型的水下焊接系统。系统中弧焊电源输出阶梯型的外特性，送丝系统采用脉动送丝方式。
The index of amino acid balance was evaluated according to ideal protein of layers and broilers. The results showed the new bean-meal is a good protein source for poultry feed.
以蛋鸡和肉仔鸡理想蛋白质为模型计算平衡性指数，表明新型豆粕为家禽的良好蛋白源。
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