制样机是用于非金属拉伸试验中非金属试样的制样设备。
新产品首制样机应进行型式检验。
分析了破碎缩分联合制样机性能不合格及发生堵塞的原因，提出了解决问题途径和方法。
The reason that unified coal preparation machine of crushing-dividing has poor performances and blockage problems is analysed, the ways and methods of solving these problems are put out.
构建了一套智能二线制阀门定位器的样机。
A prototype of a smart two-wire valve positioner has been designed and constructed.
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