国产日本一线在线观看免费_中文字幕无码日韩专区免费_亚洲2022国产成人精品无码区_国产亚洲色婷婷久久99精品_中文字幕av无码不卡免费_亚洲色欲久久久久综合网_久久99国内精品自在现线_尤物99国产成人精品视频_免费一级毛片免费播放_无码精品人妻一区二区三区漫画

奈森流量儀表配備（第三方獨(dú)立檢測機(jī)構(gòu)/國家實(shí)驗(yàn)室機(jī)構(gòu)）校驗(yàn)資質(zhì)。每一臺流量儀表都可以做到“三個符合”符合國家標(biāo)準(zhǔn)，符合貿(mào)易計(jì)量，符合精度標(biāo)準(zhǔn)的儀表要求。

Naisen Flow meter is equipped with (third party independent testing agency/National Laboratory Organization) calibration qualification. Each meter can achieve "three conformances" to meet national standards, conform to the trade measurement and precision standard instrumentation requirements.