请在 下方输入 要搜索的题目:

Control of these emissions by adequate gas-cleaning processing is essential. The underlined part means________.


A、abundant
B、sufficient
C、accurate
D、satisfactory

发布时间:2026-01-12 15:46:49
推荐参考答案 ( 由 题搜搜 官方老师解答 )
答案:sufficient
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