Caution: dropping when the dropper to remain vertical, to avoid tilt, should not inverted.

使用注意事项：滴加时，滴管要保持垂直，避免倾斜，切忌倒立。

youdao

Caution: dropping when the dropper to remain vertical, to avoid tilt, should not inverted.

使用注意事项：滴加时，滴管要保持垂直，避免倾斜，切忌倒立。

youdao