СловариФорумКупитьСкачатьКонтакты

   Китайский Английский
Google | Forvo | +
药柱和水的扬程压力不会改变这种炸药的密度
взрывч. The two advantages of glass microbubbles are the operator does not need to be concerned with sensitizing the mix and the head pressure of the column of explosive and water does not change the density of the composition