24. The __________ of two open channels is a common occurrence in many
hydraulic structures ranging from waste water treatment facilities to fish
passage conveyance structures.
(A)divorce
(B) enforce
(C) hydration
(D) junction
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統計: A(11), B(7), C(16), D(30), E(0) #2059693
統計: A(11), B(7), C(16), D(30), E(0) #2059693