35.Polysulfide印模材調拌作用後會產生何種副產品(by-product)?
(A)氫氣(H2)
(B)乙醇(ethyl alcohol)
(C)水(H2 O)
(D)氧氣(O2)
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統計: A(72), B(166), C(899), D(8), E(0) #1033090
統計: A(72), B(166), C(899), D(8), E(0) #1033090