可分物
参考答案:
是指进行实物分割而不改变其经济用途和价值的物。
We work together to achieve our common purpose: _____ world that is safer, cleaner and healthier than _____
one we founded. [ ]
A. the; the
B. a; 不填
C. a; the
D. the; 不填
船体结构中什么样的零件采用数切下料?