| 1. | Doors shall have vision panels and be self closing
门应该有观察窗和自锁装置。 |
| 2. | Watch window : with heating and coated membrane
观察窗：带有加热，镀膜材料。 |
| 3. | The window is green tinted and non - reflecting
观察窗是浅绿色的，能防反射。 |
| 4. | Heat treated glass window
热处理玻璃观察窗 |
| 5. | Laminated glass window
层压玻璃观察窗 |
| 6. | Plain glass window
防护白玻璃观察窗 |
| 7. | Two glass windows located inlet of coal feeder for watching running line of belt
两个玻璃观察窗位于给料机进口端（端门） ，用于观察胶带运行状况。 |
| 8. | There ' s lighting inside the case and sight window on the outside door , convenient for observation
箱内设有照明灯，外门观察窗，便于观察，无氟压缩机组满足环保要求。 |
| 9. | An indication rod or viewing window is set ascend and descend stemwith the valve to whow the open - close condition , revolve stem with the valve use a sealed gear - driving open - close indicating mechansim
升降杆阀门设有指示杆或观察窗以表示阀门的启闭情况，旋转杆阀门采用封闭齿轮转动启闭指示机构。 |
| 10. | Looking through a narrow viewing window , which is covered with complementary colour filters for each eye , the audience will on their right and left eye ' s retinas simultaneously visualise the two different videos
通过一个狭长的观察窗看进去，这个观察窗为每只眼睛安装了对比色滤光片，观众们左眼和右眼的视网膜将同时观察到两个不同的影象。 |
