英语词汇“screw-bell”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

> as lemmas

screw-bell

† screw-bell n. Mining Obsolete a tool used for recovering boring rods, consisting of a long rod with a flared, hollow end with an internal screw thread capable of gripping a screw at the end of the boring rod.

ΚΠ

1870 H. F. Q. D'Aligny et al. Rep. Mining & Mech. Prepar. Ores (Paris Universal Exposition 1867) 27 The recovering tools are composed simply of the ordinary screw bell, (cloche à vis,) a grapnel, and a new form of pincers, with four branches.

1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 173 Screw-bell, a recovering tool in deep boring, ending below in a hollow screw-threaded cone.

extracted from screwn.¹

as lemmas

单词	screw-bell
释义	> as lemmas screw-bell † screw-bell n. Mining Obsolete a tool used for recovering boring rods, consisting of a long rod with a flared, hollow end with an internal screw thread capable of gripping a screw at the end of the boring rod. ΚΠ 1870 H. F. Q. D'Aligny et al. Rep. Mining & Mech. Prepar. Ores (Paris Universal Exposition 1867) 27 The recovering tools are composed simply of the ordinary screw bell, (cloche à vis,) a grapnel, and a new form of pincers, with four branches. 1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 173 Screw-bell, a recovering tool in deep boring, ending below in a hollow screw-threaded cone. extracted from screwn.¹ < as lemmas
随便看	track list track listing track material track meet track meeting track meets track pad track pants track record track rod track shirt track shorts track square track system track team track the dancers track up track- track-ball track-barge track-bed track-boat track-brake track-channeler track-chart