Inthe author synthetically analysed the present situation and development tread of-hole drill home and abroad.

The motion and force of cone bit is extraordinary complex on bottom hole.

牙轮钻头在井底工作时的运动状态和受力情况是相当复杂的.

Bearing quickly losing effectiveness will lead to the manifest reduction of its service life.

轴承的快速失效,导致牙轮钻头寿命的明显降低.

Drilling with cone ( drag ) bit in the section.

此段地层采用牙轮 ( 刮刀 ) 钻头钻进.

The teeth of the wheel gear into each other.

齿轮互相啮合.

Packing charge about 3 % of the total cost of the goods.

包装用度占货物总值的百分之三.

In addition, the taxi company has agreed to pay my hospital bills.

此外, 出租汽车公司已批准支付我的医疗用度.

He's clever, it won't a lot of persuasion for him to see the light.

他是聪明人, 不用费多少口舌他就会明白赞同的.

Note: 1 . Exhibition site Advertisement shall include: Site occupation fee, release, installation fees Advertisement build-up fee.

说明: 一、场地广告包括场地占用费 、 发布安装费、广告制作费.

The application of the simplified Fermionic integrals reveals that the carrier concentration varies with temperature change.

利用费米积分的简化方案,揭示了载流子浓度随温度变化的规律.

They sought to recover damages , costs, expenses, etc from the firm.

他们设法向那家公司索取损害赔偿金 、 用费 、 费用等.

Small lands ads on the site pay for its operations.

网站上的广告用费来操作这个网站.

They seek to recover damages, cost, expenses, etc from the firm.

他们设法向那家公司索取损害赔偿金 、 用费 、 费用等.

Clerk: Your lift ticket, ski rental and all taxes. It doesn't include your meals.

包括缆车票 、 滑雪器具租用费和所有税钱. 饭费不包在内.

Let me calculate the cost of the journey.

让我计算一下旅途的用费.

Medium the fire goes to open again the pot, add a pot of few parsley.

中火至再开锅, 加少许香菜出锅即可.

The home crowd exploded in support.

主场球迷顿时像炸开锅一样庆贺.

It was like the whole sea bursting open.

简直象整个大海都开锅啦.

After the sauce is thick, remove the pan from the heat.

当果酱变稠时, 移开锅不再加热.

The crime, drug, and unemployment rates were very high while old buildings sat abandoned for years.

犯罪 、 毒品以及失业率居高不下,而老旧的建筑也荒废多年.

The road down to the river lay red and scorching between the ruined cotton fields.

到河边去的那条路是红色的,滚烫的,两旁的棉花地都荒废了.