抽气泵的排气管应该导向室外空旷处或导向一座通风橱.The pump exhaust should lead to the open air or a fume hood.设计了一套硅片专用真空夹紧装置,包括夹紧装置和微型无油真空抽气泵.A vacuum clamp equipment used for holding Si wafer is designed in this paper....
Large amounts of cystine as well as arginine, lysine and ornithine are excreted.大量的胱氨酸、精氨酸 、 赖氨酸和鸣氨酸被排出.Large amount of cystine as well as arginine lysine and ornithine are excreted in the urine.从患者的尿中排出大量的胱氨酸,精氨酸,赖氨酸和鸟氨...
The water was gurgling.流水哗哗地响.The stream went gurgling on.溪水哗啦啦地流淌.The gutters either side of the paved high road were gurgling and even flooding.铺砌的大路两旁的排水沟在汩汩作响，甚至漫出水来。...
Jenny weaves baskets from willow she grows herself.珍妮用她自己种的柳树的枝条编篮子。The baskets are woven from strips of willow.这些篮子是用柳条编的。Willow trees breaking out into buds foretell the coming of spring.柳枝绽青报春来....