压紧

He compressed cotton into bales.

他将棉花压打棉花包。

The machine has double revolving table cutterbar, pneumatic compact, high precision of process and saw cutting at the same time.

双转台机，气动压，双锯头同时，工精度高。

Early electrical workers used it as a coating to insulate coils, and molded it into stand-alone insulators by pressing together layers of shellac-impreg-nated paper.

早期的电力工人将它用作涂料，隔离缠在一起的线圈，还将注满了紫胶的纸一层层地压单独的绝缘物。