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sediment tests造句

"sediment tests"是什么意思  
造句與例句手機(jī)版
  • Water and sediment tests in one of the most environmentally sensitive areas damaged by Friday's oil spill on the Rhode Island coast showed only one-tenth the contamination federal regulators had feared, suggesting that the long-term damage from the accident may be slight.
  • It's difficult to see sediment tests in a sentence. 用sediment tests造句挺難的
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