Цементийн үйлдвэрийн бөмбөг тээрэм параметрүүд. Unit Economics Sam Altman. Unit Economics Commentators are looking hard for what s wrong with startups in Silicon Valley First they talked about valuations being too high Then they talked about valuations not really meaning anything Then they talked about companies staying private too long Then they
Энэтхэг дэх бутлуурын үйлдвэр 200 Tph. 2000 - Tumi Raise Boring. The 2000 is the most powerful machine of the family, capable of drilling very long holes and boring raises of 26 ft (8 m) or larger in certain rock conditions and up to 8,200 ft (2,500 m) in length.