A working head can be added on the front edge of the end seat according to working requirements, and can be in various shapes.

还可视其工作需求在其端座的前缘加装一工作头，工作头可为各种形式的造型。

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The invention discloses a laser marking machine which comprises a machine body and working head which are connected by optical fiber.

本发明揭露一种激光打标机，包括机身本体和工作头，其中，所述机身本体和工作头由光纤连接。

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The purpose is to provide a new electric spanner; the electric spanner comprises a front casing, a working head, a decelerator, a motor and an engine casing.

其目的是提供一种新型电动扳手，该电动扳手由前罩壳、工作头、减速器、电动机以及机壳组成。

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John Taylor was Becta's head of school improvement, working with head teachers to help them use and plan for the best use of computers in their schools.

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By the time his peers were writing application essays, Karp was working as head of product at the parenting website UrbanBaby.

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Roughly the same age as David Cameron and Nick Clegg, Mr Miliband became an MP in 2001 after working as head of the Downing Street policy unit.

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