In communications, a manual switching system where incoming messages to the switching center perforate paper tape.

This machine can perforate the sheets of stamps.

这台机器能在整版邮票上打孔.

Water-power deep penetrator system can perforate clearly drainage channel utilizing the principle of pressure jet cutting.

水力深穿透射孔系统利用高压水射流钻孔的方式实现深穿透射孔.

Mesh sizes 50-200 are wire cloth screen with perforated stainless steel reinforcement.

网孔规格尺寸50~200是金属丝布网,并采用穿孔不锈钢加固.

Wine is stored in a perforated black wood wall.

酒存放在这个穿孔的黑檀木板墙上.

The ulcer has perforated.

溃疡已穿孔.

The bullet perforated his lung.

子弹射穿了他的肺.

The new winter ventilation system consisted of a perforated plastic tube.

新的冬季通风系统由带孔的塑料管组成.

A teletypewriter receiver that produces perforated tape with characters along the edge of the tape.

一种能产生穿孔纸带并在纸带边缘打印字符的电传打字接收机.

The samples are collected in perforated polyethylene bags.

样品采集在有孔的聚乙稀袋中.

In perforated continuous forms paper, the interval between cuts.

在穿孔的连续格式纸上, 割线之间的间距.

A packed bed of granular material sandwiched by two perforated plates, is a good distributor.

两块孔板中间填有一层颗粒物料, 是一种很好的分布板.

The target was perforated by bullets.

靶子上全是子弹打穿的孔.

An ulcer perforates the duodenal wall.

溃疡使十二指肠壁穿孔.

Compared the VRT of perforating incompetence with that of competence ( P < 0.01 ).

交通支异常者VRT与正常人比较有高度显著性差异 ( P<0.01 ).

As a main part of perforating charge, liner greatly effects the charge's performance.

药型罩作为石油射孔弹的关键部件, 其参数变化从很大程度上影响着射孔弹的射孔性能.

Objective To evaluate the correlative factors of blindness among patients with perforating corneal injury.

目的分析影响角膜穿孔伤致盲的有关因素.

Compound technique of perforating can effectively control the perforating direction and the fracturing expansion.

复合射孔技术能有效地控制射孔方向和压裂缝的扩展.

Objective To evaluate the diagnostic methods and treatment of gastric ulcer perforating with toxics tubular necrosis.

目的探讨胃溃疡穿孔合并中毒性肾小管坏死的诊断方法与治疗方案.

The utility model relates to a perforating bullet case blank precision cold-extrusion die.

一种射孔弹弹壳毛坯精密冷挤压模具.

This perforating fluid system is solid-free, high temperature resistant, stable, compatible, and not polluting.

该射孔液体系具有无固相 、 抗高温、密度可调 、 稳定性强 、 配伍性好 、 对环境无污染等优点.