reduce sb to doing sth 使某人沦为做某事
reduce sb to tears 使某人流泪
reduce sb to sth 使某人陷入某种状况
reduce sb to silence 使某人住嘴
reduce sb
降低某人
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The SB series impeller is designed to allow fluid leaving the impeller to blend with recirculating fluid to reduce abrasive wear of the casing.
该叶轮的设计允许从叶轮出来的液流与回液混和以减小泵的磨损。
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