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解释爆炸概念,爆炸分为哪两种?

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Weight concentration in which area will cause a vessel&39;s bottom to be subjected to tension stresses ()

Aft
B. Amidships
C. At both ends
D. Forward

【C9】

A. concern
B. worry
C. discuss
D. decide

【C19】

A. escape
B. evade
C. detect
D. disguise

【C10】

A. even if
B. such as
C. in that
D. and then

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