select orientation plane选择: pick and choose; select方位: position; bearing; direction ...平面: plane; two dimensions; flat ...方位平面: aximuth-piston; azimuthal plane选择方位与发球权: choice of ends and service下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:选择方位平面，即可在微信中查询翻译
