He imagined he had got into a needle-case full of pointed needles of every size.
他觉得自己进入了一个装满了大小不一的尖针的针盒。
Methods (1)To compare the drainage speed of the improved EV needle and percutaneous transhepatic catheterizde drainage(PTCD) case needle in water and anti coagulation pigs blood.
方法(1)改良注入穿刺(EV)针与经皮肝穿刺胆道置管引流(PTCD)套管针在纯水和抗凝猪血中引流速度的比较。
Japanese JTEKT faces the automatic transmission system of the car and case of infinitely variable speeds, rolled out axis of macrobian life planet to use needle bearing.
日本JTEKT面向汽车的自动传动系统和无级变速箱,推出了长寿命行星轴用滚针轴承。
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