oil-sealed jar safety joint

oil-sealed jar safety joint

油封式震击器安全接头

shear pin tubing safety joint

剪切销式油管安全接头

Front Oil Seal Installer 6635

前油封安装器6635

shear pin safety joint

剪切销钉式安全接头

Apply a light film of engine oil on the vibration damper hub contact surface of the seal.

在减震器毂油封接触表面上涂一层引擎机油薄膜。

DSS tubing joint

双密封专用油管接头

Signcryption Key Encapsulation in Insider Security Mode

内部攻击者安全模式下的签密密钥封装

EX(d). PACKING GLAND FOR CONNECTING PIPE

接管式防爆密封接头

WATER-PROOF PACKING GLAND FOR CONNECTING PIPE

接管式防水密封接头

Safety Inspection and Evaluation of Dilute Oil-sealed M.A.N.Gasholder

稀油密封干式燃气储气罐的安全检测与评估

safe sensor with seal for wire end

接线端具有封印保护装置的安全传感器

pressure balanced drilling bumpersub

压力平衡式钻井震击器

hook wall pumping packer

抽油井悬挂式封隔器

The optimizing analysis of the parameters of joint structure between the spherical head and the tube of the coal-to-liquids heavy duty hydrogenation refined pre-reactor

煤制油加氢预精制反应器封头与简体连接区参数优化分析

Study on Contact of the Dynamic Response of Collision Contactor;

迎击式接触器触头动态响应模型的研究

Study on the Dynamic Response of Contacts of Collision Type Contactors Based on PRO/E;

基于PRO/E的迎击式接触器触头动态响应的研究

Contact Dynamic Simulation for Counterpunch Type AC Contactor Based on ADAMS

基于ADAMS的迎击式交流接触器触头动态仿真

Data Security Processor Based on Contact Type IC Card;

基于接触式IC卡的USB数据安全处理器