Smear Vaseline on to your baby's skin to prevent soreness.给孩子皮肤上抹些凡士林以防止肿痛。The production present status and technical development of domestic vaseline are analyzed.分析了国内凡士林生产现状和技术发展.Do not use Vaseline or other pet...
The eccentric shaft vibration exciter and partial block help to adjust amplitude.偏心轴激振器及偏块有助于调整幅度不大.Off deck ( switching off exciter )断开板 ( 断开激励器 )On deck ( switching on exciter )接通板 ( 接通激励器 )...