1.
The machine frame is made of high-quality wood and panel with good sealing high static electricity resistance and low noise.
机体结构采用优质木材和多层木板，密封程度高，抗静电性能好，工作噪音小。
2.
Check that the hollow shaft and its seal are proper and that the packing gland should not compress too tightly on the packing set and the drip leakage is allowed.
检查空心轴和轴密封程度是否适当，填料压盖不可将盘根压得过紧，允许呈滴状渗出。
3.
water pressure test for strength and tightness
水压强度和密封性试验
4.
hermetically-sealed superminiature temperature relay
超小型密封温度继电器
5.
oil pressure test for strength and tightness
强度和密封性油压试验油压及强度密封试验
6.
The letter was contained in a bottle fast as a Kentish oyster.
那封信装在一只高度密封的瓶子里。
7.
Determination of densities of mineral drugs and their calcined products by sealing wax densimetry
封蜡密度测定法测定矿物药及其煅制品的密度
8.
Pay especially careful attention to the packing and gasket materials as this may limit the rating as is the case with PTFE used as the standard in Aloyco valves.
要特别注意密封材料和衬垫材料,这些材料相当程度上决定了阀门的压力-温度额定值
9.
Temperature range limited by seat material
温度范围受到阀座密封材料的限制
10.
High activity cobalt-60 sealed radioactive sources
GB7465-1994高活度钴-60密封放射源
11.
The temperature sensor is enclosed in a protective well.
温度传感器密封在保护套管中。
12.
Research on Soft Measurement of Internal Temperature and Relative Humidity in Sealed Packages;
密封包装箱内温湿度软测量系统研究
13.
The Density of Population and the Formation of Chinese Feudal Small-scale Peasant Economy;
人口密度与中国封建小农经济的生成
14.
Analyzing and Measuring the Depth of Large sized Jar Sealing Groove;
大尺寸缸体密封槽深度的分析与测量
15.
Investigation of Improving HD-PCB Substrate Packaging Quality
改善PCB高密度基板封装质量的研究
16.
Application of standard steel ball in measuring depth of sealing tape
标准钢球在密封带深度测量中的应用
17.
Application of electronic balance in the paraffin-coated method to determining soil density
电子天平在蜡封法密度试验中的应用
18.
High-density IC Packaging Based on Flexible Printed Circuit
基于挠性基板的高密度IC封装技术