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释义
society > occupation and work > equipment > building and constructing equipment > fastenings > [noun] > screw > thread > types of thread (6)
worm1725

Used as the name of various implements of spiral form. (Supposed to resemble the sinuous shape and… A spiral channel cut in a hollow cylinder to…

drunkenness1786

Unsteadiness of the thread of a screw.

square thread1838

a screw thread which in cross-section is castellated in form, with the width and height of the thread equal to the width of the valley between…

V-threada1877

a screw thread which is V-shaped in profile.

buttress thread1882

a screw thread in which one face of the thread is set (approximately) at right angles to the bolt or shaft.

knuckle-thread1887

a rounded thread in a screw.

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更新时间:2024/9/21 0:41:55