plumb bob 中文意思是什麼
plumb bob
解釋
鉛錘,線錘。-
If the mass in question is a plumb bob, the horizontal component of f is important.
如果所討論的質量是一擺錘,則重要的是F的水平分量。 -
If the mass in question is a plumb bob, the horizontal component of f is important
如果所討論的質量是一擺錘,則重要的是f的水平分量。 -
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。
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