青云翻译

It is a part of the change, the need to replace, but we do not know the question we should be the product to the customer which parts replacement

A part of it has changed and should be replaced, but we don't know we ought to have customer-replaceable parts

Its part has traded, needs to replace, but we did not know which part the product the question we should give the customer to replace

One of its components changed and needs to be replaced, but we do not know what products to customers to replace the question which we should spare parts

A part of it has changed and should be replaced, but we don't know we ought to have customer-replaceable parts