This portable rig can only drill 15m deep holes.

An Introduction to MSY-80 Type Portable Pulse Pneumatic Conveyer

MSY·80型移动式脉冲气力输送机的介绍

Kinetic Characteristic Test and Analysis of Portable Belt Conveyer

移动式排土机动态特性测试与分析

A portable multifunctional operating appliance of bone surgery

便携式野战&Ⅰ型多功能骨科手术器械

Since low power is of importance to portable electronic appliance supplied by batteries, the discussion focuses on the low power design. And after comparing and analyzing different structures, a best tradeoff between performances and power dissipation was achieved.

鉴于低功耗在便携电子产品中的重要意义，论文围绕低功耗设计展开，在系统设计和电路设计中比较分析了多种结构，作出性能与功耗的优化组合。

Development of mine portable digital recorder

矿用便携式数据记录仪的研制

I'm calling to recommend you a new style of portable type recorder.

我打电话向您推荐一种新款式的便携式录音机。

Feasibility Study of Application of Portable Electronic Recorder in Fuel Gas Meter Reading

手持电子抄表应用于燃气抄表的可行性研究

The Exploitation and Application of Matrix LCD in Portable Data Recorder

点阵式液晶显示器在便携式查表器中的开发与应用

Development of Portable Data Recorder for Adjusting Test of Safety Valves

便携式安全阀调整试验数据记录仪的研制

The Design of Portable Fault Recorder Based on A New Structure

一种新结构的便携式故障录波装置设计

Development of Portable Recorder for Concrete Pouring

便携式混凝土浇筑记录仪的研制

As fast growing of consumer electronics market, System-On-Chip are widely applied to portable battery powered equipments and wireless communication products.

随着消费类电子市场的蓬勃发展，片上系统在手持音频设备和无线通信领域得到了广泛的应用。

It gives the overall program of testing equipment according to the outstanding aspects of the portable battery state detection device.

本文给出了检测设备设计的总体方案。

Requirements for new battery distributors, including requirements for portable battery distributors to have waste battery collection facilities;

需要的新电池分销商，包括所需的便携式电池经销商有废电池收集设施；

The Mold Design of Portable Battery Charger Bottom Case Injection Moulding

便携式电池充电器底壳注塑成型模具设计

The problems existed in the portable air sampler is summarized through practice, and make an exhaustive study on the improve method.

通过实践总结出携带式大气采样器存在的问题，并对其改进方法做了详细的研究。

Horizontal Straight-Neck, Double-Bottle Mouth Portable Water Sampler

直颈双口卧式便携水样采集器

The in-situ tests prove that the portable gravity sampler is simple in structure and easy for operation.

通过现场试验情况证明，该取样器具有结构简单、操作方便的优点。

Development of a Portable Gravity Sampler

一种便携式重力取样器的研制

The Probe into the Existed Problems on the Portable Air Sampler

携带式大气采样器存在问题探讨