1. After analyzing its advantage and application condition, the paper suggests another two kinds of drain patterns, multilayer_well drainage pattern and collector well_multilayer_well drainage pattern. 分析目前滑坡排水防治中井排-平硐排水模式存在的问题,提出连通井排水模式,分析其优点和应用条件,还提出了廊道排水模式和辐射井-廊道排水模式。
3. With a big flow rate, it is suitable for the use of plain river network area and hilly irrigation and drainage, piscina water supply and drainage industrial water supply and drainage. 本产品流量大,适用于平原河网地区和丘陵灌区,特别适用于农田排灌、鱼塘供排水及工业供排水。
4. In this paper the performances, main characters and application scopes of PVC-U drainage pipe, PVC-U internal spiral drainage pipe and clasp cast iron drainage pipe are introduced in detail. 详细介绍了PVC-U排水管、PVC-U内螺旋排水管、卡箍式排水铸铁管的性能、主要特点及应用范围,通过认真分析比较,指出在建筑中使用何种管材应从多方面考虑,对不同类型的建筑应使用不同的管材。
5. Pattern inspection: The pattern inspector should examine the pattern as per casting process drawing after pattern completion. 模具检验:模具制作完毕后,由模具检验员按照铸造工艺图对模具进行检验。