Similar to 急速濾過
0
0▲1 trends
1
1▼-9 trends
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11 (number)
12
12 (number)
13
13 (number)
19
19 (number)
40
40 (number)70
70 (number)
100
100
400
400 (number)
700
700 (number)
1000
1000 (number)
1000000
1,000,000
水処理
Water treatment
緩速濾過
Slow sand filter
膜ろ過
ギアリング級駆逐艦
Gearing-class destroyer
デアリング級駆逐艦
Daring-class destroyer (1949)
バトル級駆逐艦
Battle-class destroyer
