为批量生产带有螺纹的尼龙旋塞,设计了一种带有螺旋顶杆的旋塞注塑模.Mold with spiral ejection pin was designed for the mass production of threaded nylon cock.所述长顶杆的前端最好为锥形头.The front end of the long post rod is at best in a cone shaped head.随着温度升高, 感温元件(阀...
侧巷和后花园之间用墙隔开了。The side alley was walled off from the back garden.老园丁死后, 花园就慢慢荒芜了.After the old gardener died, the garden grew wild.他们在后花园有一棵极好的桦树.They've got a wonderful birch in the back garden....
Fusions were common between strains from deciduous hosts or coniferous hosts.来自阔叶树或针叶树寄生的菌系间融合是普遍的.They were fusions which are evolutionarily programmed for.它们是进化上已安排好的融合现象.The next phase of the study included only patie...