Objective the purpose of this study was to form a special phosphate bonded investment which was used to for the heat pressed glass ceramics, and its casting accuracy was tested.

目的以修复体的适合性为指标，检测研制的热压铸入型陶瓷专用包埋料的铸造精度。

youdao

The practice proved that strengthen prestressed hollow by method of section-steel bonded, safe and reliable, low investment, fast and interference small, the effect was very good.

工程实践证明，运用粘型钢技术加固预应力空心板，安全可靠，速度快，干扰小，效果好。

youdao

Some saw an opportunity to buy mothballed production with bonded warehouses of stock, and they have seen their investment handsomely rewarded.

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