press-in

Somebody must control the gutter press in this country.

必须有人出来管管国内的市井小。

We pressed the buzzer in our cabin and a steward arrived instantly.

们按客舱的呼叫器, 一个乘务员马上来。

Therefore we point out a new method of testing fragile material's strength of extension.That is to say we can measure the disk's strength of extension by pressing in its diametric.

从而对脆性材料抗的定提出一种新的方法,即通过对圆盘沿直径对心受压试验可出其抗。