This paper contains a detailed experiment analysis on the fracture section characteristic,metallographic organization,chemical consists and mechanics property of the drill-stem subs,and performs a set of analysis calculation on the mutative load which putting on the drill-stem subs.
对钻柱转换接头的断口形貌、金相组织、化学成分和力学性能进行了全面的试验分析,并对其受力状态进行了分析计算。
DO NOT USE ADAPTERS!
禁止使用转换接头！
DO NOT USE ADAPTERS! Use piping and equipment designed to withstand pressures to be encountered.
禁止使用转换接头！使用设计得能够承受遇到的压力的管道和设备。
Do not drag, roll, or slide containers on their sides. Do not remove or interchange connections.
禁止拖拉、旋转或滑动容器。禁止移动或交换接头。
direct and indirect energy conversion
直接和间接能量转换
"Valve Stand: Support air supply header and various takeover points, flex hoses, gauges, valves, etc."
阀架上面安架空气接头,各种转换点,软管,计量表,阀门等。
The design of coaxial-to-rectangular waveguide transitions adapter with SMA connector at high frequency
在高频段下带SMA接头的同轴——矩形波导转换器的设计
coaxial N type adapter N
型同轴线接头转接器
spherical union swivel
球面活管接旋转接头
one revolution contact
转一转接触一次触头
The scene cuts from the shop to the street.
镜头从商店转换到街道.
integrated switching and multiplexing
集中交换与多路转接
direct conversion reactor study
直接转换反应堆研究
direct-image offset system
图像直接转换胶印法
High-scion and Head-changing Techniques of Engrafting Euonymus japonicus Thunb into Euonymus bungeanus Maxim
丝绵木高接换头嫁接北海道黄杨技术
universal ball float adapter
万能球形活动头转接器
steering knuckle tie rod end pressure lubricator
转向节横拉杆接头油嘴
two-pin reversible plug
两脚可逆转接驳的插头
non-reversible plug
不可逆转接驳的插头
