bell center punch是什么意思

网络释义

用法例句

A small conical hole made in a piece of work with a center punch so that a drill can be accurately positioned within it.

中心孔，转柄孔在带中心冲头的工件上为使钻头准确放置而做的小锥形孔

Hot blood poured into his brain. Many thoughts formulated themselves.

热血直冲脑门，千头万绪涌上心头。

Centre for Conflict and Peace Research

冲突与和平研究中心

PREPARATION AND CHARACTERISTIC ANAIYSIS OF THE OUTER MEMBRANE PROTEIN AND ITS FRACTIONS OF BORDETELLA PERTUSSIS

延髓头端腹外侧区在躯体传入冲动抑制中枢性心肌缺血中的作用(文摘)

The throw of the crankshaft, i.e. the distance between the main journal and the big end centers, controls the length of the stroke.

曲轴的摆幅，即在主要曲颈和连杆大头末端中心之间的距离，控制着冲程的行程。

Nurses need to understand the five stages of psychological process experienced by family members following the sudden death of a loved one: denial, anger, bargaining, depression, and, finally, acceptance.

不管是头部外伤或中风，皆是未预期的意外，因此往往造成家属极大的心理冲击。

A hub, especially of a propeller.

冲头冲头，尤指推进器冲头

Lin Chong, the hero of The Water Margin, is chief military instructor of eight hundred thousand imperial guard troops.

《水浒传》中的林冲是八十万禁军教头。

Heart within, and God o'erhead!

胸中有红心,头顶有上苍!

The Trade Center is straight ahead.

贸易中心就在前头。

He was fully relieved.

他心中的石头落地了。

"The punch pushes against the workpiece, which is held in the die. Punch presses are usually driven by electric motors."

冲头推压装于模具中的工件。冲床通常由电动机驱动。

Sectarian violence strikes central Baghdad.

巴格达中心发生了宗教暴力冲突。

United Nations focal point for post-conflict peacebuilding

联合国冲突后建设和平协调中心

flush type screen

冲洗解堵型无中心管的环空筛管

It seemed that the very memory of her was effaced from his mind.

对她的记忆似乎已在他的心中冲淡了。

Don't stress minor issues at the expense of the central task.

不要因次要问题而冲淡了中心任务。

Conflict in the Life Adventures and Journey of Spiritual Growth;

生命历险中的冲突与心灵的成长之旅