tighten up the screw 中文意思是什麼
tighten up the screw
解釋
緊一下螺絲-
Tighten up the screw
緊一下螺絲 -
Rotate the valve to [ close ] position, put in the valve and install screw, nut and washer, then, tighten them up with hand
將閥門轉到關閉的位置,將閥門放入,安裝螺絲,螺母及華司,然後用手鎖緊。 -
Move the feed dog up or down to perform adjustment, then securely tighten the screw
上下移動送布牙調節高度,然後擰緊緊固螺絲。
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