Its comprehensive coverage focuses on ceramic preforms.

它的广泛报导集中在陶瓷的粗加工成品。

The porosity of preforms increased with the increase of starch contents.

随着造孔剂含量的增加，预制体气孔率升高。

The series could handle 1-litre mineral water bottle preforms from 16 to 48 cavities.

该系列可处理一公升的矿泉水瓶瓶坯，从16日至48溶洞。

Preforms with waveguide structure have been formed by using a built -in casting method.

用内铸法制得了具有波导结构的预制棒。

With the fabricated preforms, the pressure casting process of porous aluminum alloy was studied.

利用所制备的预制块，研究了多孔铝合金的加压铸造工艺。