head的例句大全

Chip microprocessors control system of numerically controlled boring head

数控镗削头单片机控制系统

The design combination boring head is for enhances the box body the processing precision and the efficiency.

其中设计专用夹具和组合镗头的应用进一步提高箱体的加工精度和效率。

Design and Application of a Auto-feed Boring Head Using in Machining End Surface of Thin-wall Big Case

新型自动进给式镗头的设计与应用

Reliability study for casing head strength

套管头结构强度可靠性研究

By selecting good well killing fluid and perforated fluid, promoting stem structure, technique of surface testing, well head control and perforation and improving matching device, it helps to operation of HP-HT well.

通过选择好的压井液、射孔液，改进管柱结构、地面测试工艺、井口控制工艺、射孔工艺，以及改善配套设施，均有助于高温高压井的作业。

She raised her head in a vain attempt to hold back the tears.

她仰起头，却无法忍住眼泪。

He raised his head from the pillow.

他从枕头上抬起头来。

Generally the component of closing head type is manufactured and deformed by machining after compress.

一般的封头型零件都是冲压成型后再经机加工而成。

Combined with temperature sensing head, paper cutter, controlling board, power supply, paper holder frame, machine frame together, which being convenient for installing in various machine cabinets.

集热敏头、切纸刀、控制板、电源、托纸架、机架于一体，方便安装到各种机柜内。

Research of Safety Technology on Well Casing and Well Head of Natural Gas Well

天然气井井筒及井口安全技术研究

Limit element analysis for the system of casing pipe head

套管头系统有限元分析

The design of 105 MPa sulfate resistant casing head

105MPa高压深井抗硫套管头设计

Field Calculation of Casing Head Setting Load

套管悬挂载荷的现场计算

She beheld Javert, the police spy, seize the mayor by the collar; she saw the mayor bow his head.

她看见暗探沙威抓住了市长先生的衣领，她又看见市长先生低着头。

The Development of New Packing Head of Packer and Unpacker in Beer Bottling Line

啤酒瓶装线中装卸箱机新型抓瓶头的研制

On this day it is traditional to bow one's head and give thanks for life's many blessings.

在这一天，人们按传统应该低头感谢生活中的幸事。

Not only was it the right thing to do, he decided, it was almost heroic to fear neither Heaven nor earth, never to bow one's head or suffer in silence.

不但是不错，祥子想，而且是有些英雄好汉的气概，天不怕，地不怕，绝对不低着头吃哑吧亏。

Only a few centimeters from his head were two pots made of clay, tools and materials to make arrows, a bow and a dozen arrows for hunting and a second, smaller copper knife.

距离他头部仅几厘米的地方有两只粘土制作的陶罐，一些造箭的工具和原料，还有一只碗和一些狩猎用的箭矢，以及另一把小一些的铜匕首。

Design and Application of New Type Fast Makeup Casing Head

新型快装套管头的设计与应用

The development of new type slip casing head and Application

新型卡瓦式套管头的研制与工业试验