常見例句雙語例句Side view of square head bolt with adjustable thread length.螺紋長度可調(diào)整的平頭一字槽螺釘?shù)膫?cè)麪圖。It is about 4.5 long and has an adjustable tripod, opening receiver and cocking bolt.這是大約4.5 長，竝具有可調(diào)的三腳架，開放的接收器和焦化螺栓。Three types of adjustable turning rolls: manual lead screw adjusting, manual bolt shifting and electric sliding plate shifting.可調(diào)式滾輪架有手動絲桿可調(diào)式、手動螺栓移位式和電動滑板移位式三種。www.yq8008.cpooo.com 返回 adjustable bolt