Here is a closeup of the one-way valve before gluing.
这里是一个近距离的一个单向阀前粘合。
Glulam is manufactured by layering up multiple slices of wood and gluing them together, while CLT is produced in a similar way but involves arranging the layers at right angles.
胶合木由许多片木头分层压制而成，而CLT生产简单但涉及每层安置的正确角度问题。
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