cross chisel 中文意思是什麼
cross chisel
解釋
扁尖鏨, 掏槽鑿, 削鑿-
Tool that needs to be prepared during the installation : churn drilling, corner mill machine, welding machine, tapeline, plumb bob, glue pincers, iron chisel, 810 expansion bolt, cross and subtraction sign screw driver etc
安裝所需準備的工具:沖擊鉆角磨機焊機拉尺線錘膠鉗鐵鑿8x10膨脹螺絲十字和一字螺絲批等。 -
Because of the lower rock fragmentation efficiency and defective geometrical shape of chisel bit, sweden has replaced chisel bit with taper connecting cross chisel bit and button bit since the mid - seventies
因一字形釬頭破巖效率低和幾何形狀結構缺陷等問題,瑞典從70年代中期就用錐體連接的十字和球齒釬頭取代了一字形釬頭。
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