It consists of mother (receiver) and sub-machine (transmitter) consists of two parts.

它由母机(接收机)和子机(发射机)两部分组成。

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Shenyang Metro East sub-machine composite mill, built in 2003, is specialized in production of bimetal composite key enterprises.

沈阳市新城子东机复合板厂，始建于2003年是我国专业生产双金属复合材料的骨干企业。

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A long line of trucks, with wooden-faced guards armed with sub-machine guns standing upright in each corner, was passing slowly down the street.

一长溜儿卡车，慢吞吞开过街道，车上木呆呆的警卫挎着轻机枪。

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Soldier 33 said he heard a burst of gunfire from a Thompson sub-machine gun as he arrived at the Rossville Flats.

BBC: Soldier 'saw shots fired'

Three thousand of them, in plainclothes and armed with carbines, revolvers, and a few sub-machine guns, took the place over and defended it successfully for six days before being relieved by the arrival of the French armored division of General Leclerc.

NPR: Excerpt: 'World War II Writings'

"It is in much the same way as you book a movie ticket by phone or online these days using your credit card and then when you get there you access your ticket through an ATM-type machine, " said Will, who is chairman of the World Cup ticketing sub-committee.

BBC: Fans get World Cup ticket boost