嗜冷菌适宜的生长温度是（）。 ["0℃","15℃","60℃","45℃"]
防毒服分为（）。 ["A.防尘型和透气型","B.防放射型和透气型","C.密闭型和透气型","D.防尘型和防放射型"]
Chart legends which indicate a conspicuous landmark are printed in（）. ["capital letters","italics","boldface print","underlined letter"]
请问煤车司机如何保证装满煤和装煤均匀？
简述鱼体消毒方法的注意点。
采购批量是指（）
