例文
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- In 1915 the world's largest filter plant was installed at Chain of Rocks.
- In 1934 the first rapid sand filter plant was built in Ayer Hitam in Penang.
- The plant was the first continuously operated slow sand filter plant in the U . S.
- In 1985, a new rapid sand filter plant replaced it across First Street beside the reservoir.
- In 1906 the first slow sand filter plant in Malaysia was built at the Ampang Intake for Kuala Lumpur.