... port block；中立压力口关闭 port connection；孔连接 port drain；出口，孔口的排出(水，气，油) ...
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插孔连接 JC
压力孔连接 pressure port connection
无焊绝缘穿孔连接 Solderless insulation piercing connections
无连接盘孔 landless hole ; landlesshole
通孔连接技术 Through-hole Technology
开孔周围的连接 of attachment around openings
通孔弯线连接法 Clinched-wire Through Connection ; wire Through Connection
插头-插孔式连接器 plug-and-jack type connector
提出了水平防渗帷幕最佳布孔连接形式和布孔原则，得出了底部高程起伏的结构形式为最佳结构形式。
In the paper, the optimum holing form and principle are put forward for the horizontal anti-seepage curtain and it is obtained that the structure with rolling bottom elevation is the optimum one.
使用时将转环链放于两车之间，再通过插销将转环链两端（碰头座）的上下销孔连接在一起而后将插销锁紧即可。
When using the swivel chain between two cars, again through the bolt will turn on both ends of the chain (meet) the pin hole up and down together, and then the bolt locking.
法兰盘只是一个统称，通常是指在一个类似盘状的金属体色的周边开上几个固定用的孔用于连接其它东西。
Flange is a general term usually refers to the metal in a similar color discoid open on the periphery of several fixing holes for connecting other things.
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