downbear counterflow and check vomiting
【经】 支票兑取人
check collector
暂无补充释义。
相关词条
final check
by-pass check valve (free-wheeled checkvalve)
by-pass check valve (free-wheeled check valve)
leak test【试验】;leakage check test【电子】
check card【计】;inspection card【计】;test card【计】
check valve with spindle
check tetany