最近的中文字幕国语HD_久久久久久亚洲精品中文字幕_夜夜爽夜夜叫夜夜高潮漏水_亚洲成av人无码亚洲成av无码

XGH-20微(wei)機(ji)(ji)控(kong)制(zhi)管(guan)(guan)材(cai)環剛(gang)(gang)度(du)(du)試(shi)(shi)驗(yan)機(ji)(ji)采用(yong)機(ji)(ji)械加荷、電子(zi)測(ce)量(liang)、數字連續調速，應用(yong)微(wei)型單片機(ji)(ji)進行(xing)實(shi)時控(kong)制(zhi)。廣泛應用(yong)于具有(you)環形(xing)橫(heng)截面的熱塑性(xing)塑料管(guan)(guan)材(cai)和玻璃鋼管(guan)(guan)環剛(gang)(gang)度(du)(du)的測(ce)定,滿足PE雙臂波(bo)紋(wen)管(guan)(guan)、纏繞(rao)管(guan)(guan)和各種管(guan)(guan)材(cai)標(biao)準的要求。該機(ji)(ji)對(dui)試(shi)(shi)驗(yan)力、位移(yi)、速度(du)(du)同時進行(xing)數字顯示，并有(you)試(shi)(shi)驗(yan)力峰值保持功(gong)能。適用(yong)于塑料管(guan)(guan)材(cai)環柔、環剛(gang)(gang)度(du)(du)、扁平(ping)、焊縫拉伸、管(guan)(guan)材(cai)蠕變(bian)比率等試(shi)(shi)驗(yan)。