Three months after famine was declared in Somalia, the scale of the crisis in the Horn of Africa remains huge, says a British official.
一位英国官员称，索马里饥荒发生三个月之后，非洲之角的干旱危机仍然十分严重。
The common structural defect of large-scale rudder horn casting steel and its cause of flaw were analyzed, the smelting and heat treatment technology of casting steel was pointed out as well.
分析了挂舵臂铸钢件常见的组织缺陷及产生原因，提出了铸钢件的冶炼及热处理工艺。
Based on the productive practice, the deficiency produced in the production process of the large-scale pelagic ship rudder horn (150 tons) and preventive measure were studied.
以生产实践为基础，论述了大型船舶挂舵臂铸件(150t)生产过程中易产生的缺陷和防止措施。
Based on the productive practice, the deficiency produced in the production process of the large-scale pelagic ship rudder horn (150 tons) and preventive measure were studied.
以生产实践为基础，论述了大型船舶挂舵臂铸件(150t)生产过程中易产生的缺陷和防止措施。
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