正确答案: D
carefully coat the device with silicone sealant to reduce the effects of convective cooling
题目:When replacing a thermostatic expansion valve sensing bulb, it is necessary to
解析:D
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举一反三的答案和解析:
[单选题]胸背部损伤明显者可采用哪种人工呼吸法?
口对口人工呼吸法
[单选题]消化性溃疡并发出血时______。
呕咖啡样物
[单选题]确定航道的原则是:船由海向里;在外海、海峡或岛屿之间的水道,原则上按:()
围绕大片陆地的顺时针航行的方向