The tribological properties and the anti-wear of micron copper powder in greases are investigated by-ball test.

The tribological properties and the anti-wear of micron coppers inside greases were investigated by four-ball test.

通过四球试验,考察了软金属微米铜粉在润滑脂中的摩擦学行为和抗磨性.

METHODS Hot-plate test, rat granuloma caused by cotton ball test, mice's ear-swelling test were used.

方法:采用热板法 、 棉球肉芽法 、 耳肿胀法.

Worse, he fractured his hip so badly that the ball of the ball-and-socket joint broke off.

更糟的是, 他的髋部严重骨折,导致股骨头从球窝关节脱出.

How many ball-point pens have you get?

你有几支圆珠笔?

These ball-point pens are theirs.

这些圆珠笔是他们的.

And, depending on the ball point, can flip over backwards.

并且, 球碰到点视标, 即可向后上方翻转.

Could I have a look at those ball-point pens?

我能看一下那些圆珠笔 吗 ?

I wavered between the fountain pen and the ball-point.

我拿不定主意用钢笔还是原子笔.

Ball point pens require a thicker ink than fountain pens do.

圆珠笔需要一种比自来水笔还要浓的墨水.

Xinwei Products Factory specialized in producing various kinds of LED lamps LED pens, plastic ball-point pen.

新伟制品厂专业生产各类LED发光灯笔 、 塑胶圆珠笔.

Roller Pen, Ball Point Pen, Laser Ball Pen, All kinds of Pen. Writing Instruments.

采购产品滚筒钢笔, 球指出钢笔, 激光圆珠笔, 各种的钢笔. 写作器具.

She labeled them neatly, writing the addresses in ball point pen and capital letters.

她为它们整齐地贴上标签, 用圆珠笔标出大写字母地址.

Is a factory specializing in-end ball-point pen Gel advertising pens and pencils the pens auto business.

桐庐都君笔业制品厂是一家专业从事中高档的圆珠笔、中性笔、广告笔及自动铅笔的制笔企业.

Use a ball-point pen or similar to push the Reset button on the unit.

使用圆珠笔或类似物体按本机的重设按钮.

Who invented the ball-point pen?

谁发明了圆珠笔?

This ball-point pen is theirs.

他写作用的是笔名.

He got a refill for his ball-point pen.

他给他的圆珠笔换了一支笔芯.

May I try out this ball-point pen, please ?

我试一下这支圆珠笔可以 吗 ?

I want to buy both a pencil and a ball-point pen .

我也要买铅笔,也要买 原子笔.

It's fashionable to fun at the ball-point pen to write it!

以这时髦的 圆珠笔 畅快的书写吧!