注入孔 injection hole ; [包装] filling hole ; filling aperture
出入孔 access hole ; Manhole ; pigeonhole ; AH
进入孔 inlet orifice ; Access Port ; [科技] access hole ; entrance hole
汞注入孔隙计 mercury intrusion porosimeter
吸入孔 Inlet Hole ; suction eye ; suction port
空气注入孔 injection hole
屋顶出入孔 roof hatch
入孔盖 clean-out cover ; out cover
桅盘入孔 lubber's hole
入孔与进料口的大小和相对位置，可根据需求改变。
Both size and related position of the manhole and the feeding port are variable upon necessity.
本文简要介绍了热裂化装置反应塔入孔加强板角焊缝的断裂及其补焊情况。
This paper briefs the fractures of fillet weld of manhole reinforcing plate in react ion tower of thermal cracking plant and its repairing welding.
在研究悬浮液入孔问题时，粒子在孔外任意位置所受的力和力矩是所需的最基本数据。
For any study of a suspension entering a pore, the knowledge of the force and moment exerted on a solute particle in an arbitrary position outside the pore is essential.
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