For the huge bulky and difficult adjustment shortcoming of traditional end and side pipe stopper, the wide applicable scope end and side pipe stopper is designed.
针对传统端、侧挡管器体积庞大、调整费时费力等缺陷,设计出一套使用范围较宽的端、侧挡管器。
Using as excellent end stopper in the procedure of emulsion gathering of butylbenzene.
是丁苯等乳聚过程中非常优异的终止剂.
The testtube stopper plugging its end has worn down.
义肢末端本来镶了试管塞子,可是磨损了.
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