防腐剂浸渍 | |
tech. | impregnation |
木材 | |
archer. | heartwood |
environ. | timber |
hydroel.st. | timber |
interntl.trade. | stock; stock certificate; certificate of stock |
manag. | timber and lumber |
pest.contr. | wood |
| |||
impregnation |
防腐剂浸渍 : 2 phrases in 1 subject |
Technology | 2 |