Danny Chambers, who represents Winchester, said sewage had been "pouring" into the River Itchen, potentially affecting the endangered fish currently laying eggs in the chalk stream.
最令航天业担忧的是钇供应紧张。钇是高温防护涂层中的关键成分，可防止发动机和涡轮在高温下“熔化”，一旦无法定期施涂相关涂层，发动机便无法正常服役。
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computer systems used by banks were fundamentally batch-mode machines, and it