anti freezing pumping aid
anti freezing pumping aid
防冻泵辅助装置
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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But the method of mixing anti freeze and pumping aid together into concrete is not advisable, and the scientific technology is using anti freezing pumping aid in concrete.
但采用双掺防冻剂和泵送剂的方法不可取，科学合理的方法是采用防冻泵送剂。
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