Sand grain size is the main effect factor on perforation penetration depth.

砂子粒径是影响射孔侵彻深度的重要因素.

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The rapid penetration depth of clothing.

快速渗入深入衣服.

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To enhance the damage capability of the concrete - piercing shell, the penetration depth must be raised.

为了提高混凝土破障弹的威力, 必须提高其侵彻深度.

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The results show that the welding speed affects the bead penetration depth and bead penetration area.

结果表明:熔深和母材熔化面积决定于焊接速度.

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The penetration depth of metal can be increased by selecting correct gas - assisting blowing in laser welding.

激光焊接时正确选择侧吹工艺可以增大焊缝熔深.

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Silent Guardian does not cause injury because of the shallow penetration depth of the millimeter wave.

由于毫米波穿透皮肤的深度较浅,所以“无声卫士”不会使人致伤.

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