spacer sleeve 中文意思是什麼
spacer sleeve
解釋
擋套-
Cranes ; bottom blocks ; internal sleeves and spacer sleeves for type b rope pulleys with deep groove ball bearing and internal sleeve
起重機.下滑車.帶深滾道滾珠軸承和內套筒的b型繩索輪 -
Cranes ; bottom blocks ; internal sleeves and spacer sleeves for type a rope pulleys with cylindrical rolling bearing and internal sleeve
起重機.下滑車.帶圓柱形滾動軸承和內套筒的a型繩索輪 -
Cranes ; bottom blocks ; spacer sleeves for type c rope pulleys with deep groove ball bearing, without internal sleeve
起重機的下滑車.無內軸套深滾道滾珠軸承的c型繩索滑
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