A.繼續(xù)運轉(zhuǎn) B.撿出鐵塊 C.長皮帶上去撿 D.提升機里去撿
A.15 B.20 C.10 D.12
A.8X18.2M B.8X15.7M C.10X12.5M D.12X12.5M