适用于生产大宽幅粗丝号电焊网。
论述了粗丝co2自动焊焊枪的设计原理，并对气流在焊炬中的流动情况和对熔池保护效果作了简要介绍。
In this paper, design principle on gun of automatic CO2 gas shielded welding with thick electrode is discussed.
她的眸子子是一味的淡绿色，不杂一丝儿的茶褐，四周竖着一圈儿粗黑的睫毛，眼角轻轻有点翘。
Her eyes were pale green without a touch of hazel, starred with bristly black lashes and slightly tilted at the ends.
至少有三种蜘蛛能产生牵引丝；假如把这些丝结得更粗，它们就会像用于高性能飞机上的尼龙和碳纤维那样牢固。
At least three spiders produce dragline silk that, if spun into thicker strands, could be as strong as the nylon and carbon fibers used in high-performance aircraft.
介绍了粗旦丙纶强力丝的生产工艺、着色方法及存在的问题。
The production technology, the method of stain and the problems in the production are introduced.
论证了粗旦丝的技术特性。
The technical characteristics of heavy denier filaments are demonstrated.
在透射电镜下观察到有细胞核膜消失，染色质变成粗颗粒状．中心粒一分为二，两中心粒之间还有纺锤丝牵引；
Under electron microscope, it was found that in some cells the nuclear membrane disappeared partly, chromatin became broadly granular and two centrioles were jointed by spindle fibers.
因此，以立枯丝核菌粗毒素处理水稻种子和幼苗可初步鉴定品种对纹枯病的抗性。
The inoculation tests showed that all isolates of R. solani and R. cerealis and their crude toxins had virulence on the plants of rice, maize and wheat.
因此，以立枯丝核菌粗毒素处理水稻种子和幼苗可初步鉴定品种对纹枯病的抗性。
The inoculation tests showed that all isolates of R. solani and R. cerealis and their crude toxins had virulence on the plants of rice, maize and wheat.
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