44 A             explosion is the rapid combustion of fine particles suspended in the air within an enclosed location.
(A) dust
(B) power
(C) gas
(D) flour

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統計: A(130), B(42), C(97), D(23), E(0) #2355282

詳解 (共 2 筆)

#4074752
(A) dust 灰塵/塵土/沙土(B)...
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#4093758
A dust explosion is ...
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