This paper is based the full analyse and research of noise source of pneumatic drill.

Tapping drilling tools: gas drilling, Eucampia pneumatic drill, pneumatic tapping machine, chamfering machine.

钻孔攻丝类工具: 气钻 、 弯角气钻 、 气动攻丝机 、 倒角机.

When a student recently saw two workmen using a pneumatic drill outside his university.

最近有个学生看见两个工人在大学校门外用风钻干活.

As the men refused to stop working, the police attempted to seize the pneumatic drill.

因为工人拒绝停止工作, 警察想要去抢下那个气钻.

The experience of modifying pneumatic hammer into electrohydraulic hammer is introduced in this paper.

介绍了将空气锤改造成电液锤的经验.

After steel is made, it needs forging, which nowadays is done with a pneumatic hammer.

钢炼出来要锻.现在锻要拿汽锤锻.

Last impacting velocity of the piston of pneumatic hammer contacts nearly capability of pneumatichammer.

风动冲击器活塞的冲击末速度决定了冲击器的工作性能.

The methods and devices to control the circulation solid flow pneumatically are studied in this paper.

因此,本文主要研究通过气动方式控制循环流化床循环物料的方法和装置.

A mechanical device operated electrically, hydraulically, pneumatically or mechanically for transmitting motion between components.

由电 、 液压 、 气源或机械驱动的机械装置,用于传送部件之间的运动.

Valves are to be of the pneumatically operated jacket pinch type with integral flanged joint ends.

阀门是气动操作套管夹紧类型,带整体法兰连接装置.

Valves are to be of the pneumatically operated jacket pinch type with flanged joint ends.

阀门是气动操作套管夹紧类型,带法兰连接装置.

The wall adopts hands, electronic to separate, lock the organization pneumatically.

墙体采用手 、 电动分离, 气动锁紧机构.

Pneumatics has numerous remarkable advantages, so that pneumatic robot more and more applied in industrial automation.

气动技术拥有众多显著优点, 使得气动机器人在工业自动化中得到愈来愈广泛的应用.

The studies show that U-bearing pneumato hydrothermal fluid is a reductive and acidic medium.

研究表明,含铀气成热液为还原性质的酸性介质,铀在其中主要以形式迁移.

Flu and pneumococcal injections are also recommended for everyone over the age of 65.

流感和肺炎球菌疫苗的接种应该在每个年龄超过65岁以上的人普及.

Smokers who will not quIt'should also be accinated for both pneumococcus and influenza.

不愿戒烟的吸烟者亦应接种肺炎链球菌疫苗和流感疫苗(轻度推荐, 证据等级)

The pneumococcus is particularly dangerous to the splenectomised patient.

对脾切除患者,肺炎双球菌(感染)是特别危险的.

NanA is produced by all strains of pneumococcus andprominently on the bacteria's outer surface.

N-乙酰神经氨酸表达在细菌的外表面,所有的肺炎球菌球属菌株都可产生这种蛋白质.

Takes the positive driving preventive measure, resists the pneumococcus disease's best plan.

采取积极主动的预防措施, 才是对抗肺炎球菌疾病的上策.

Results The early common pathological change of alumina pneumoconiosis was the dust spots.

结果粉尘沉积性尘斑是铝矾土尘肺最常见的尘性病变.

Objective : To study the factors that affect the pneumoconiosis incidence in workers departed from dust.

目的: 研究影响离尘矿工尘肺发病的主要因素.