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Terms for subject Hydroelectric power stations containing Class of | all forms | exact matches only | in specified order only
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B class of utilization of mechanisms结构件利用等级
class of concrete混凝土等级
class of cube strength立方体强度等级
class of utilization of lifting appliances起重机械利用等级U
class of utilization of mechanisms结构件利用等级
strength class grade of concrete混凝土强度等级
T class of utilization of mechanisms机构利用等级
thermal class of insulation绝缘的耐热等级
U class of utilization of lifting appliances起重机械利用等级