A number of new products have been successfully trial-produced.

许产品已试制成功。

In this paper, the research process of the fire - proof calcium silicate board trial - produced with theindustrial tailings - felspar powder is reported.

本文报道了使用工业尾矿长石粉试制防火硅酸钙板的研究过程。

The content of Isomalto oligosaccharide is higher than 60% in the product and the total content of Isomaltose, Panose and Isomaltotriose was higher than 35%.

们试制的产品中异麦芽低聚糖含量在60％以上，其中异麦芽糖、潘糖和异麦芽三糖之和35％。

The no staff and self-reducing tacheometer is a new type of surveying instrument designed and constructed by a group of teachers and students of our department.

须跑尺自计视距仪是一种式的测量仪器,经过研究,们已初步试制成功。