One of these consists of the crushing and grinding machinery, and the other of the long kilns. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
Scattered over the country one still finds isolated charcoal kilns, crude earthen receptacles, in which wood thus deprived of air was allowed to smolder and form charcoal. 伯莎M.克拉克.科学通论.
In some great kilns fires are never allowed to cease. 威廉·亨利·杜利特.世纪发明.
The kilns were burning, and a stifling vapour set towards us with a pale-blue glare. 查尔斯·狄更斯.荒凉山庄.
The standard kilns then in use were about sixty feet in length, with an internal diameter of about five feet. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
Besides, the oncoming material would thus be gradually raised in temperature instead of being heated abruptly, as in the shorter kilns. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
This ground material passes through kilns and comes out in clinker. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
Consequently other means than the slow processes of nature to dry brick and other ceramics, and the crude kilns are giving way to modern heat distributing structures. 威廉·亨利·杜利特.世纪发明.
Kilns are usually arranged with a slight incline, at the upper end of which the chalk is fed in and gradually works its way down to the interior flame of burning fuel at the other end. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
Inventions in the line of pottery kilns have received the aid of woman. 威廉·亨利·杜利特.世纪发明.
Old plants are lengthening their kilns wherever practicable, and no wide-awake manufacturer building a modern plant could afford to install other than these long kilns. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.