A.包裝透明B.標(biāo)簽清晰C.包裝精致D.數(shù)量充足
A.棉花B.小麥C.黃瓜D.蘋(píng)果樹(shù)
A.植物檢疫B.黑光燈誘蟲(chóng)C.化學(xué)防治D.以蟲(chóng)治蟲(chóng)