THREE-PLY BOARD 三合板 ; [木] 三夹板 ; 最常见的一种胶合板
two ply board 双层纸板
single ply board 单层纸板
multi-ply board 多层纸板
three ply board 三层板
ply corrugated board 五层瓦楞纸
The California Milk Advisory Board continues to ply its "happy Cows" advertising campaign, but there are few happy dairy farmers right now.
加州牛奶咨询委员会继续使用其“快乐的奶牛”广告形象，但目前快乐的奶农已没有几个。
Ply change is big, board face has bongo package, water proofing property of demonstrative board face is poor.
厚度变化大，板面有小鼓包，说明板面防水性差。
We board a "vaporetto" — one of the motorised boat-buses that ply the grand canal.
我们坐上了一艘“公共汽艇”——它是一种装有马达的，在大运河上定期地来回，类似公共汽车的汽艇。
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