33 The combustion triangle is a simple model for understanding the ingredients necessary for most fires. However, the
model does NOT include_________ .
(A)oxygen
(B)heat
(C)chain reaction
(D)fuel
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統計: A(23), B(30), C(166), D(37), E(0) #1200284
統計: A(23), B(30), C(166), D(37), E(0) #1200284