英语翻译An improved diaphragm substantially resistant toabrasive wear for use in certain applications ln which atleast a portion of such diaphragm is in contact with anothersurface which would tend to abrade such diaphragmf suchdiaphragm comprisi
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/18 16:26:22
xU]V7ފl9C7 e