多谢各位, 冲击钻就是 hammer drill 吗? Good to know that regular drill may
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that is impact drill don't use hammer drill unless you want to r
-calvinwch-
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01/27/2017 postreply
11:22:05
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Thank you so much. I am more confused, had to figure out what
-wxcellen-
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01/27/2017 postreply
13:00:06