进入口 meaning in English

admission intake
admission opening
admission port
inlet port
lead
turn entrance

Also a mark plate “ dangerous operation in progress ” should be established at the entrance
同样在进入口要放一个告示牌： “在进行危险操作” 。
The assembly shall have top entry access points for each check assembly , screw driver slotted test cocks and require the use of no special tools for servicing
这种总成的每个止回阀总成应该有顶部进入口，螺丝刀槽测试旋塞，维修时不需要特殊工具。
The results and periodic frequency of such inspections shall be recorded and scaffold tags posted in a prominent location at each access point to show the inspection status of the scaffold and next inspection period
这类检查的结果和检查频率必须予以记录，并在各进入口的显著位置悬挂脚手架标牌以便向人们提示脚手架的检查情况和下一次的检查周期。
When the fire breaks out , fire source may spread to the storage tank through the inlet , when the flame passes the small pore of the flame - resistant core layer in the respiration valve , due to the wall effect , the corrugating plate absorbs a great deal of heat , so as to increase heat loss at once , so that the flame is extinguished
当发生火警时，火源有可能通过进入口向储罐内漫延，当火焰通过呼吸阀内阻火芯层的狭小孔隙时，由于器壁效应，波纹板吸收大量热源，使热损失突然增大，从而使火焰熄灭。