L-cysteine can be a useful crystallization additive, but keep those pesky hexagonalplates in the back of your mind when working with L-cysteine.
但是，半胱氨酸是一种有效的添加剂，能带来明显的效果，不过需要铭记它的局限性。
2
The cross section of the end of the dust collection pole plate (3) is hexagonal; a plurality of dust collection pole plates (3) are arranged in honeycomb.