项目数量说明1 20 8 IN PS X 10 FT 0.030 IN SLOT 304SS SCREEN,WR X WR SETTING DEPTH = 250米(820英尺)。 2 20 8 IN PS X 10 FT 0.030 IN SLOT 304SS SCREEN,WR X WR SETTING DEPTH = 350米(1148英尺)。 3 13 6 IN PS X 10 FT 0.030 IN SLOT 304SS SCREEN,WR X WR SETTING DEPTH = 250米(820英尺)。 4 1 [...]