11 The carrying capacity of the mud is lower, add 2~3 kg/m3 DRISPAC.
11 The carrying capacity of the mud is lower, add 2~3 kg/m3 DRISPAC.
泥浆携砂能力下降，加入2～3公斤/方的DRISPAC。
11 The carrying capacity of the mud is lower, add 2~3 kg/m3 DRISPAC.
泥浆携砂能力下降，加入2～3公斤/方的DRISPAC。