jiggers

用于分选或分离矿石的筛子。

The sieve used in sorting or separating ore.

一种沙蚤,穿透蠕形蚤(Tunga penetrans),属蚤目；即 chigoe。

A sandflea, Tunga penetrans, of the order Siphonaptera; chigoe.

操作跳汰机的人；通过跳汰法分选或清洗矿石的矿工。

One who jigs; a miner who sorts or cleans ore by the process of jigging.

恙螨科(Trombiculidae)多种螨类的幼虫；即 chigger、 harvest mite。

A larva of any of several mites in the family Trombiculidae; chigger, harvest mite.

用于生产扁平餐具的卧式车床。

A horizontal lathe used in producing flatware.

用于布匹染色的装置。

A device used in the dyeing of cloth.

用于皮革打光或压花的摆式滚压机。

A pendulum rolling machine for slicking or graining leather.

仓库用起重机。

A warehouse crane.

一种轻型滑车组,由双轮滑车、单轮滑车及滑车索组成,用于多种用途,如收紧帆桁索时增加拉力；即 watch tackle。

A light tackle, consisting of a double and single block and the fall, used for various purposes, as to increase the purchase on a topsail sheet in hauling it home; the watch tackle.

桅顶桅(jiggermast)。

A jiggermast.

渔民用其在结冰湖面下设置渔网的装置。

A device used by fishermen to set their nets under the ice of frozen lakes.

台球中架杆的桥架或支架。

The bridge or rest for the cue in billiards.

赛马时用于催促马匹的非法电击装置。

An illicit electric shock device used to urge on a horse during a race.