双语例句
Ungula and ring fracture are due to higher surface hardness. The rational suggestions to settle fracture are put forward.
爪形和环形断裂由表面硬度偏高造成,并提出解决断裂问题的合理化建议。
n.(锥、柱)截体;
Ungula and ring fracture are due to higher surface hardness. The rational suggestions to settle fracture are put forward.
爪形和环形断裂由表面硬度偏高造成,并提出解决断裂问题的合理化建议。