一只手拿样品瓶,另一只手移去盖子.

Hold the sample bottle with one hand and remove the cap with the other.

请撕开部分样品的密封条,取出样品瓶.

Please tear off the partial sample tape and take out the Bottles.

有多个样品瓶集样，适应多煤种同时采样。

Multi sampling bottles are applicable for simultaneous sampling on different coals.