1. This model of typewriter is efficient and durable, economical and practical for middle school students.

這個型號的打字機(jī)對中學(xué)生來說，高效、耐用、經(jīng)濟(jì)、實(shí)惠。

2. The computer we produced is characterized by its high quality, compact size, energy saving and is also easy to learn and easy to operate.

我們生產(chǎn)的計算機(jī)其特點(diǎn)是質(zhì)量好，體積小，節(jié)能，而且易學(xué)好用。

3.They are not only as low-priced as the goods of other markers, but they are distinctly superior in the following respects.8 f; o' j2 W, h3 A/ a

它們不但和其它廠家的產(chǎn)品一樣低廉，而且在以下幾個方面有其獨(dú)特的優(yōu)越性。

4.You will get a 30% increase in production upon using this machine and also it allows one person to perform the tasks of three people.

一旦使用該機(jī)器，你們將會增產(chǎn)30%，而且一個人可以頂3個人使用。

5.This product will pay its own way in a year.

該產(chǎn)品一年就可收回成本。

6.This machine will pay back your investment in six months.

該機(jī)器半年就可收回投資。

7.The new type of suitcase car designed by our engineers is very ingenious and practical.:

我方工程師設(shè)計的新款行李車非常精巧、實(shí)用。

8.This kind of bicycle can be folded in half and handy to carry around, especially useful during traveling and traffic jams.

這種自行車可以折迭，攜帶方便，在旅行中或交通堵塞時特別有用。

9.The maximum speed of this kind of variable-speed bicycle is 30 km per hour.

這種變速車每小時的最大速度是30km

10.These machines have few breakdowns and are easy to maintain because of their simple mechanical structure.

這些機(jī)器由于機(jī)械的構(gòu)造簡單，所以很少故障，易于保養(yǎng)。