液空节流阀控制()。
A.液空液位
B.液氧液位
C.液空含氧量
D.液氧纯度
参考答案:A
The novel will________soon,and I think, it will be well received by the teenagers.[ ]
A. put out
B. turn out
C. come out
D. go out
封闭母线内含氢量超过1%时,应立即停机找漏。