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。
Concrete is not sick in the case of three consecutive bimonthly needle.
具体是在不生病的情况下隔月连续打三针。
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