For the pin and crankweb deep holes, use gas gun to clean chips and show operators in WI.

对于曲柄销及曲柄深孔，必须使用气枪对底部铁屑清理干，业指导书中明确以图片形式反映。

Let him not quit his belief that a popgun is a popgun, though the ancient and honorable of the earth affirm it to be the crack of doom.

学者应该坚持自己信仰：气枪响不过是啪声而已，尽管那些年高者与位高者断定它是世界末雳。