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We use cardboard boxes and then them with iron straps.

We use cardboard boxes and then them with iron straps.
A.inner
B.request
C.stand
D.reinforce
正确答案：D

标签：外经贸英语函电

上一条：Each set is to be put in a cardboard box, strengthened with iron straps, and then put in a wooden case. It must be strong enough to the roughest handling.

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