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| discharge standards | |||
| emission level; emission standards | |||
| emission standard The maximum amount of discharge legally allowed from a single source, mobile or stationary (单一固定或移动污染源法定容许的最大排放量。) | |||
| effluent standard | |||
| standard for discharge | |||
| emission criterion | |||
| discharge standard | |||
| emission standard | |||
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| emission standard | |||
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| outlet qualitative standard | |||
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| emissions | |||
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| emission standard | |||
| 排放标准: 96 phrases in 21 subjects |