Soalan Penjagaan Air Setiap Hari (12.3)

2016-12-03View Original

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Pos ini kali terakhir diubah suai oleh 68589544 pada 2016-12-5 13:43. 1. Nilai pH air sisa yang terlalu tinggi perlu dikawal. A. Seragam B. Flotasi C. Pemisahan minyak D. Aerasi 2. Masa tinggal zarah minyak di dalam tangki pemisahan minyak adalah berkadar terus dengan kadar penghapusan minyak tersebut. A. Berlawanan kadar B. Sebanding C. Tidak berkaitan D. Berkaitan A;B

Reply #22016-12-03

1. A. Seragam
2. A. Berlawanan kadar

Reply #32016-12-03

1.A. Seragam； 2.B. Berbanding terus

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Soalan Penjagaan Air Setiap Hari (12.3)

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