对这些中断必须跟踪,以建立失效的服务提供记录.These outages must be tracked to build a record of failed service delivery.断裂并非结构失效的唯一形式.Fracture is not the only way that a structure can fail.气温往往下降到大多数保护措施都失效的程度.The temperatures drop below thos...
There is an equilibrium distribution relationship between DIPE and isopropanol.产物异丙醇和二异丙基醚间存在平衡分布.Triisopropyl phosphite was synthesized and isopropanol using pyridine as an organic base.采用三氯化磷、异丙醇为原料,吡啶为有机碱合成亚磷酸三异丙酯.The...
他决定为在澳大利亚西部人为导致荒芜的土地上重新造林做点事情。He decided to do something about reforesting man-made wastes of western Australia.-- 造林绿化取得成效.-- Achievements have been made in afforestation.这些树木可以被砍掉作为造林疏伐的一部分.The trees may be cut as a pa...