The utility model relates to the improvement on a manhole cover with an iron skeleton concrete structure.
本实用新型是对铁骨架混凝土结构下水道井盖的改进。
Being rich in iron, squid is good for human skeleton growth and blood producing, and it can take precautions against anaemia..
鱿鱼中含有丰富的钙、磷、铁元素，对骨骼发育和造血十分有益，可预防贫血。
Investigations in that case exposed a flimsy skeleton of iron wires being used instead of steel to hold together the building.
调查发现，建造大楼的钢筋结构，被偷换成了脆弱的铁丝。
Iron deficiency also influences on circulation system and skeleton muscle function.
另外，铁缺失还会影响循环系统和骨骼肌的功能。
When said catalyst is used for making Fischer-Tropsch synthesis reaction, as compared with skeleton iron it possesses high activity and selectivity.
该催化剂用于费托合成反应时，具有比骨架铁高的活性和选择性。
When said catalyst is used for making Fischer-Tropsch synthesis reaction, as compared with skeleton iron it possesses high activity and selectivity.
该催化剂用于费托合成反应时，具有比骨架铁高的活性和选择性。
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