river gradientriver slopestream slope坡度: falling gradient; slope; inc ...表面坡度: surface gradient层面坡度: pitch of roof等压面坡度: isobaric slope地面坡度: ground inclination; ground line gradient; ground slope; land slope; lie; surface slope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:河面坡度，即可在微信中查询翻译
