With cementless deices , the requirements for canal filling often mean the stem must be of sizable diameter.
而对于无骨水泥固定假体，由于要求填充髓腔因而其柄的直径一般都相当大。
Mercury blood-pressure deices for use by professionals hae, however, escaped being banned .
但是供专业人士使用的水银血压计不在此禁令之内。
To review the present status of bioartificial lier (BAL) deices and their obtained clinical results.
目的：观察人工肝现在的情况和它们带来的临床结果。
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