We need to have guaranteed supplies of consistently high quality raw materials.
我们需要确保供应的原料一致保持高质量。
PLC was stable, high reliability and low price, and waste water quality was guaranteed.
PLC具有运行稳定、可靠性高及价格低廉等优点，能保证污水排放质量。
PLC was stable, high reliability and low price, and waste water quality was guaranteed.
PLC具有运行稳定、可靠性高及价格低廉等优点，能保证污水排放质量。
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