The adoption of the tool in the structure for working inner sphere is easy in manufacture, working as well as radius adjustment, and high in working accuracy.
采用此种结构的刀具加工内球面，易于制做、加工半径易于调整、加工精度高。
2
The working conditions of those who manufacture the products are appalling and ill paid.
制造产品的工作条件恶劣，工人薪水微薄。
3
The findings raise possible health concerns for those working in the manufacture of the materials.