On the construction of coating of high quality, the best selection of domestic or imported flat mouth suction type spray gun.
关于涂装质量要求较高的施工中，最佳选用国产扁嘴虹吸式或进口喷枪。
2
However, they also increase mouth acidity which erodes dental enamel - the tooth's hard protective coating.
但是，这同样会由于增加了口腔酸性而腐蚀牙齿的保护膜，牙釉质。
3
However, they also increase mouth acidity which erodes dental enamel - the tooth's hard protective coating. This is especially true if they contain fruit flavourings.