查询词典 high-melting metal

This is clear fused quartz glass tube available as continuous machine drawn and automatic controlled tubing .this glass has the typical characteriastics of high purity ,good spectral transmission,weellcontrolled dimension and lower OH and so on .it serves as the first choice of heat resistant material for halogen lamps ,mercury lamps ,metal halide lamps and other quartz lamps .this glass can be supplied in the range of 3-80mm outside diameter,0.6-2.0mm wall thickness and 1200-1500mm length.

采用先进的连熔法生产技术，结合有效的自动控制系统生产出的透明石英玻璃管，具有纯度高，透射性强，尺寸控制严格，羟基含量低等特点，是卤素灯、汞灯、金卤灯和其他石英灯的首选抗高温材料，本公司生产的主要尺寸为外径3-80mm，壁厚0.6-5.0mm，长度1200-1500mm。

This is clear fused quartz glass tube available as continuous machine drawn and automatic controlled tubing. This glass has the typical characteriastics of high purity, good spectral transmission, well controlled dimension and lower OH and so on. It serves as the first choice for heat resistant materials for halogen lamps, mercury lamps, metal halide lamps and other quartz lamps. This glass can be supplied in the range of 3-80mm outside diameter, 0.6-2.0mm wall thickness and 1200-1500mm length.

采用先进的连熔法生产技术，结合有效的自动控制系统生产出的透明石英玻璃管，具有纯度高、透射性强、尺寸控制严格，羟基含量低等特点，是卤素灯、汞灯、金卤灯和其他石英灯的首选抗高温材料，本公司生产的主要尺寸为外径3-80mm，壁厚0.6-2.0mm，长度1200-1500mm。

I think we have identified the caus- es . The most probable cause of the erosion is the too high speed of the fl ui d with the entrai ned metal particles .

然而， 经过我们完整的调查和分析，我们认为已经找到了问题的原因，最可能的原因就是过高的流体速度，而且流体中还夹带有金属颗粒。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。