来自黄布毅的问题
英语翻译Thepresentinventionrelates,ingeneral,topumpsandpumpingsystemsand,moreparticularly,thisinventionrelatestodiaphragmsusedinsuchpumpswhichhaveasubstantiallyabrasionresistantplasticmaterialbondedtotheflangeareaofth
英语翻译
Thepresentinventionrelates,ingeneral,topumpsand
pumpingsystemsand,moreparticularly,thisinvention
relatestodiaphragmsusedinsuchpumpswhichhavea
substantiallyabrasionresistantplasticmaterialbondedto
theflangeareaofthediaphragmwherewearismostlikelyto
occur.
