单词	phloem island
释义	phloem island 韧皮岛
随便看	permissible residual specific unbalance permissible residue level permissible response rate permissible restriction permissible revolution permissible revolutions permissible rope length of drum permissible roughness permissible safety lamp permissible sample size permissible settlement permissible shapes permissible short circuit current permissible signal permissible signal distortion permissible soil loss permissible soil pressure permissible solution permissible speed permissible storage battery locomotive permissible stress permissible-stress permissible stress method permissible substitution permissible sulfur