医疗设备质量控制验收检测是质量控制环节中的重要一环，起着承上启下的作用。
Acceptance test in medical equipment quality control is an important stage among quality control cycles, which plays the role of nexus.
质量控制是建设监理工作的重要一环。
Quality control is of an important link in the construction supervision work.
取样是高速公路建设过程中的基础一环，对沥青路面质量控制具有举足轻重的地位。
Sampling is key and base approach in freeway construction, is very important to quality control.
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