Due to the large size of the deaerator water tank of a nuclear power station, in-situ welding is required for 2 ring butt welds, causing difficulties in welding and heat treatment.

某核电站除氧器水箱尺寸较大，其2条环焊缝需在现场拼焊，焊接和热处理难度很大。

youdao

In 2007, Dr Butt was found guilty of serious professional misconduct after telling a patient she had to wear a headscarf to receive treatment.

BBC: Dentist Omer Butt wins payout after filming arrest