19 Scanning the shipment number is an _____ part of tracking these containers.
(A) integral
(B) integration
(C) integrate
(D) integer

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統計： A(17), B(9), C(11), D(4), E(0) #1092799

詳解 (共 1 筆)

#1252089

an integral part  不可分割的部分

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