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【判断题】
培养基中的铁盐,常用不易分解的乙二胺四乙酸铁螯合物,以防止在pH较被氧化为不溶性的氢氧化铁A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】The word 'buckling' (Para, 1) most probably means _____.
A.
shrinking
B.
collapsing
C.
expanding
D.
diminishing
【单选题】In heavy weather you notice buckling in the midships deck plating of your vessel．To relieve the strain you could ______．
A.
pump fuel oil from midships to the ends of the vessel
B.
reduce speed
C.
take a course which most eases the vessel
D.
All of the above
【单选题】Match buckling to it's Chinese meaning
A.
弯曲
B.
约束；限制
C.
以销子联接的
D.
固定措施
E.
联接；接合
F.
实际上的
G.
适当的
【简答题】几何曲率 geometric buckling
【简答题】Due to the large torsional rigidity of general I-shaped steel and H-shaped steel, the buckling form of both is ; for singly symmetrical sections, the buckling form is when the buckling happens around ...
相关题目：
【单选题】Match buckling to it's Chinese meaning
A.
弯曲
B.
约束；限制
C.
以销子联接的
D.
固定措施
E.
联接；接合
F.
实际上的
G.
适当的