1. an anchor in the form of a sharp-pointed screw with broad flanges used principally for moorings
2. an expanding metal shell that wedges itself into a drilled hole upon insertion and is used to retain a screw in material (as concrete, brick, or tile) otherwise unsuitable
screw anchor 片语
片语
screw type anchor螺旋式锚
Screw Anchor Expanders螺桿锚扩张器
screw casing anchor packer用螺纹装置撑开及收缩的套管封隔器
screw w anchor螺旋型地锚
screw anchor foundation螺旋锚基础
MACHINE SCREW ANCHOR机械牙膨胀壁虎
single screw anchor螺旋锚
screw anchor socket螺旋插座
screw anchor 例句
英汉例句
ml screw anchor developed by datong coal mine group co. ltd. xinzhouyao mine have efficiently resolve the abuse of resin anchor, such as difficult reclaim, high costs, instability for fixing anchor.
this paper introduces the configuration, manufacture and installation of screw anchor and its site drawing-up tests. the results of tests are compared with those obtained from design formulas.