ammonia circulating pump
氨循环泵
以上为机器翻译结果，长、整句建议使用 人工翻译 。
There were some new problems such as the easy exhaustion of the liquid ammonia circulating pump and the appearance of liquid ammonia product was off specification.
目前存在氨液循环泵易抽空、液氨产品外观不合格(颜色发红)、液氨外送泵密封泄漏等问题。
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