In addition to attachments mentioned above, this modularity allowed for quick repairs, barrel length changes, and even caliber changes in the field.
除了以上介绍的，它的模块化可以快速修理，更换枪管长度，甚至更换口径。
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。
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。
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。
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