3-purlin beam
三架梁
热门单词
- A-stage resin
- abortoscope
- AC point machine
- acacatechin
- Academy of Sciences
- accelerator pedal bracket
- accepable noise level
- Access card
- access interrupt mark
- accessory building
- accommodation maker
- account of payments
- acephalostomia
- acid elevator
- acid former
- acid mist eliminator
- acid test
- acid-resistant penicillin
- acid-resisting
- acidimetric standard
- acidylation
