The junction technique of composite plastic pipe was researched, and the application of electrofusion welding in junction technique was discussed in detail.
对复合塑料管的连接技术进行了研究,尤其对连接技术中电熔熔接的应用做了详细的论述,提出了电熔熔接时恒压及动态过程控制的方法和控制的参数,推导出了电熔熔接电压的计算公式,有效解决了接头连接施工中存在的问题。
A slender, usually tubular body of glassy rock produced by lightning striking and then fusing dry sandy soil.
闪电熔岩一种因雷击而熔化于沙土形成的细长的通常为管状的光滑岩石体
The partition characteristic of trace elements in the partial melting massive amphibolite at 1.5 GPa and 950 ℃
1.5GPa、950℃下块状斜长角闪岩部分熔融微量元素的分配特征
An experimental study of the characteristics of diorite melt composition under different degree of melting
高温高压条件下闪长岩部分熔融产物的反常现象
Textural development of dehydration-melting in amphibolite at 1.0-3.5 GPa and 950 ℃-Effect of pressure and time
950℃、1.0～3.5GPa下斜长角闪岩脱水熔融——压力和时间对结构的影响
a stream of lava
熔岩浆,2. 火山岩
Experimental Studies on Plagioclase Amphibolites of Kangding Group and Preliminary Discussions on the Formation Cause of Low Velocity Layers in the Crust of Kang-Dian Tectonic Zone;
康定群斜长角闪岩脱水熔融实验研究及康滇构造带壳内低速层成因初步探讨
molten rock, steel, lava
熔化的岩石、 钢水、 岩浆.
a mineral form of vitreous or glassy silica; formed by the melting of quartz sand (as by lightning or a meteorite).
一种玻璃质或象玻璃的硅石矿物，由在闪电或陨星的作用下熔化的石英砂构成。
The molten lava ran down the mountain.
熔岩从山上流下来。
lava ejected from a volcano
从火山喷出的熔岩.
The hot lava overspread the mountainside.
赤热的熔岩布满山腰。
Europa must have a molten core
其核心部分必定是熔岩，
The volcano ejected lava and ashes .
火山喷出熔岩和灰。
And the rocks melt w' the sun!
直到烈阳将岩石熔化，
Lava issuing from the brim of the crater.
从火山口流出的熔岩
The volcano spouted lava.
那座火山喷发熔岩。
An active volcano vomits forth smoke and lava.
活火山喷出烟雾和熔岩。
Lava issued from the volcano.
熔岩从火山口流出来。