求翻译：经过更衣室和缓冲室，我们现在来到的是车间外部走廊，通过地面的颜色，我们可以了解车间的洁净级别。车间外部走廊是一般区，四个车间内部是万级洁净区，也有局部百级洁净区。现在我们将沿着走廊参观这些车间。是什么意思？

Locker room and the buffer chamber, we now come to the workshop external corridor, by the color of the ground, we can understand that the cleanliness level of the workshop. The workshop external corridor is the general area, within the four workshops, class 10,000 clean area, the local one hundred c

As a result buffer room, dressing room and we are now coming to the shop exterior corridors, the color on the ground, we can understand the clean shop level. Shop exterior corridor is a general area, 4 shop interior is clean and 10,000 level also has a partial class 100 clean area. We will now visit

After a dressing room and buffer Chamber, we now come to the shop outside the corridor, through the color of the ground, we can understand the level of clean workshop. Workshop external corridor is a general area, four Interior shop is clean, there are local Baiji clean ar