immature wood
常见例句
- Based on the field test of immature earthen sites reinforced with the wood anchor and PS serosity. The different PS serosity material had little influence to the bolting force of the wood anchor.
通过对木质锚杆、PS浆液加固生土遗址的现场试验，认为不同的PS灌浆材料对木质锚杆的锚固力的影响不大； 返回 immature wood