A.貫徹操作規(guī)程 B.執(zhí)行規(guī)章制度 C.工作中對(duì)服裝不作要求
A.0.2 B.0.3 C.0.4 D.0.5
A.(T/2)ctg(θ/2) B.(T/2)tg(θ/2) C.Tctg(θ/2)