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释义
society > occupation and work > equipment > piercing or boring tools > [noun] > boring tool > for boring in the ground > parts or attachments (7)
topit1839

An attachment at the top of a boring rod by means of which it is withdrawn.

brake1849

A lever or handle for working a machine. A lever forming part of the apparatus for boring coal.

tiger1864

As a name for various implements: see quots.

bore-log1870

a perforated block of wood through which the bore-rod passes.

brace-head1875

stretcher-bar1883

(a) the bar which is set across a level as a support for a rock-drill; (b) Leather Manufacturing an appliance for stretching hides transversely; (c)…

sabot1884

Mechanics. The iron shoe or point of a pile (E. H. Knight Pract. Dict. Mech. Suppl., 1884); an iron shoe used to protect the end of a file for…

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更新时间:2024/12/24 1:26:23