亚洲国产精品视频中文字幕,毛片亚洲AV无码精品国产午夜,亚洲国产精品色婷婷,国产综合日韩精品第16页

單詞乎

set screw

set screw是什么意思、set screw怎么讀

set screw漢語翻譯

【化】 定位螺釘; 固定螺釘

set screw英語解釋

名詞 set screw:

  1. a screw that is used to adjust the tension on a spring
    同義詞:setscrew
  2. a screw (often without a head) that fits into the boss or hub of a wheel or cam etc. and prevents motion of the part relative to the shaft on which it is mounted
    同義詞:setscrew
0
糾錯