1) hole entrance
孔进口区
2) entrance orifice
进水孔口
3) oil inlet port
进油孔口
4) air inlet opening
进气孔[口]
5) entrance working section
进口工区
1.
Based on the construction practices,the situation and the construction techniques at the entrance working section of Qinling Tunnel are introduced in detail,and several preliminary understandings which may be provided for discussion are proposed.
本文根据施工实际 ,对秦岭隧道进口工区的施工情况和施工技术作了详细介绍 ,提出了若干可供讨论的初步认识。
6) inlet region
进口区
补充资料：第二孔(继发孔)型缺损
第二孔(继发孔)型缺损
ostium secondary defect
是心房间隔在形成上发生障碍，一般缺损较大，多在卵圆孔附近称第二孔(继发孔)型缺损。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条