这句话哪位高手能给翻译一下啊？

The customer believed, according to this means, if produces the big rubber roll, very difficult to guarantee does not have the crystal in the so great volume.

这应该是准确的

The customer thinks, according to this method, if produce the heavy glue roller, it is very difficult to guarantee that there is no crystalline solid in so heavy volume.

Clients that do the same way, if the production of cot, it is difficult to ensure that such a large volume, no crystals.

1.The customer thinks, according to this method, if produce the heavy glue roller, it is very difficult to guarantee that there is no crystalline solid in so heavy volume.
2.Clients that do the same way, if the production of cot, it is difficult to ensure that such a large volume, no crystals.
3.The customer believed, according to this means, if produces the big rubber roll, very difficult to guarantee does not have the crystal in the so great volume.

Clinents thinks if the production of c