Place your duplicate address labels inside roll cores or between top layers of material 請在卷狀物內(nèi)部或最上層之間放置地址標(biāo)簽的副本
The scouring velocity of the molten steel against roll core is the highest and lower when the pouring angle is 15 and 90, respectively 澆注傾角為15時,鋼液對輥芯的沖刷速度較大,而澆注傾角為90時,鋼液對輥芯的沖刷速度較小。