A stage is arranged between the conical barrel and the column barrel, the motive power action of the machine separating is enhanced, and the length of a rolling barrel is reduced.

在锥筒与圆柱筒之间设置了台阶，加强了机器分选的动力作用，并可减小滚筒的长度。

youdao

By means of numerical calculation, the rules of J-Integral values varied with the length and depth of the inner surface crack of gun barrel were obtained.

通过数值计算，得出了身管内表面裂纹J积分值随裂纹长度及深度的变化规律。

youdao

The gathered information would be used to tailor the stock and barrel of his shotgun to his arm length and shooting tendencies.

FORBES: Bespoken For

This oak had been aged nine to 12 months, up to three months longer than the normal length of time for standard barrel wood.

FORBES: Making 46: Maker's Mark Produces First New Bourbon In Half A Century