... laboratory phase contrast microscope 实行室相差显微镜 laboratory pliers 技工钳 laboratory refrigerator 实行室用冷藏器 ...
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screw joint type laboratory pliers 螺丝铰技工钳 ; 释义螺丝铰技工钳
box joint type laboratory pliers 镶鳃式技工钳
laboratory pliers for general use 释义通用技工钳
half-box joint type laboratory pliers 叠鳃式技工钳
Box joint laboratory technic pliers 穿鳃式技工钳技术条件
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