Hoarseness and a mass hard in consistency over the thyrohyoid memebrane with supraglottic tumefaction led to a tentative diagnosis of supraglottic laryngeal cancer.
The machine can finish the moulding and processing of heteromorphosis iron craftwork with good consistency, and can process parts in batches and high efficiency.
The principles include faithfulness, exactness and consistency.In the discussion of each principle there are translation theories such as the opinions of Tytler, Postgate, Tollman.