下列插图是一些常见的杠杆和压铁位置.Illustrated below are some commonly accepted positions of the lever and weight.安装杠杆和压铁有助于阀瓣的关闭.Lever and weight mounted to assist the disc in closing.配置杠杆和压铁是为了在外部控制阀瓣运动.The lever and weight arrangement...
His eyes have the blankness of someone half-asleep.他的眼睛透着茫然，一副半睡半醒的样子。Lift our country from the state of " poverty and blankness ".改变我国 一穷二白 的面貌.But neither girl by word or gesture revealed her blankness.不过谁都没在态度和言谈方面,露出...
The safety of furosemide in pregnancy has not been established.安全速尿在妊娠尚未建立.Intravenous administration of furosemide was employed to eliminate the retained urinary FDG activity.初步影像显示右肾有异常之葡萄糖积聚,电脑断层亦无法完全排除是否为尿液干扰.Postura...
The helicopter rotor blade deicing technique is greatly important to ensure the flight safe - ty.直升机旋翼桨叶除冰技术对保证直升机飞行安全是十分重要的.It is best to allow the rotor to rotate freely.最好让转子自由旋转.The rotor has recesses in its three fa...
The resin moves intermittently down and out of the bed.树脂周期地向下移动和移出床层.A geyser is an intermittently eruptive hot spring.天然热喷泉就是间歇性的喷发的热泉水.Intracardiac tumors or ball - valve thrombi can intermittently obstruct blood flow...
Both solitary cysts and polycystic disease are usually not discovered until adulthood.不论是孤立囊肿或囊病通常在成年时期才被发现.Cysts are the result of faulty embryogenesis.囊肿由胚胎发育不全引起.Cysts should be excised and sterilized to avoid ingesti...