他们可能用胶合板和其它现有飞机的座椅进行试验。

They could do that using plywood and a seat out of an existing airplane.

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通过改性试验，优化出改性UF胶合成工艺及配方。

Synthesis technique and formula of modified UF resin adhesive is optimized by experiments.

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在试验区间内，酶处理时间越长，杨木的胶合性能改善效果越明显。

In the testing area the longer the treatment time is, the more obvious poplar wood gluing property improves.

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