![]() Light duty remotely operated vehicles—Part 3:tunnel thruster 轻型有缆遥控水下机器人-第3部分:导管螺旋桨推进器 |
![]() Polymer water-proof materials - Part 4: Rubber gasket for shield-driven tunnel 高分子防水材料 第4部分:盾构法隧道管片用橡胶密封垫 |
![]() Control network LONWORKS technology specification Part 4: tunneling component network protocols over internet protocol channels 控制网络LONWORKS技术规范 第4部分:基于隧道技术在IP信道上传输控制网络协议的规范 |
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