met. | 起重能力 | carry (吊车的: More than half of all the spheroidal graphitic iron produced is centrifugally cast into pipes in diameters ranging from 50mm up to 1000mm, and used for carrying water and gas at both low and high pressures. 生产的大部分球墨铸铁都采用离心铸造法铸造成直径 50 ~ 1000mm 的管子,用于水和气体的高、低压输送。) |