例句與造句

1. Because of the higher initial viscosities of the waterless inks there is also a secondary heat generation in the roller train caused by the friction of milling the ink through the rollers.
2. The function of the temperature control system is to circulate enough coolant through the roller train to carry away the heat that is generated by the mechanical actions in the printing unit.
3. It's difficult to find roller train in a sentence. 用roller train造句挺難的