短語詞組短語maximum permissible discharge concentration 釋放閾值permissible maximum concentration 最大允許量maximum permissible individual concentration 最大容許個(gè)躰濃度maximum permissible atmosphere concentration 最大容許大氣濃度;大氣最大容許濃度permissible E concentration 容許濃度maximum permissible concentration value 最大容許濃度值max permissible concentration 最大允許濃度maximal permissible concentration 最大容許濃度MAC max permissible concentration 最大允許濃度 返回 permissible concentration