diaphragm shell moulding machine

例句：

1. 1. This machine is used to makediaphragms for cars.
   这台机器用于制造汽车的隔膜。
2. 2. Theengineers are working on a new modelof the diaphragm shellmoulding machine.
   工程师们正在研发一种新型的隔膜壳体成型机。
3. 3. The companyhas invested heavily in research and development ofthis advanced diaphragm shellmoulding machine.
   该公司在这项先进的隔膜壳体成型机的研发上投入了大量资金。