皮皮学，免费搜题
登录
搜题
【简答题】
除了用鸡胚和细胞培养病毒制备疫苗，还可以用组织毒制苗。常用的猪瘟组织毒制备是，猪瘟病毒接种 后，收获感染动物的 和 ，制成悬液，加适宜稳定剂，经冷冻真空干燥制成。（每空答案之间请用，分隔）
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】S1:Lower No.1 lifeboat alongside the embarkation deck and report.S2:No.1 lifeboat is alongside the embarkation deck.Q:What has been done?A. Entering the lifeboat. B. Swing out the lifeboat. C. Lowerin...
【简答题】在金融企业会计中,对表内科目采用的记账方法是_______;对表外科目采用的记账方法是________。
【单选题】In launching a covered lifeboat，what would safely lower the lifeboat from inside the lifeboat cabin?（）
A.
Frapping line
B.
Tricing line
C.
Rottmer release
D.
Winch remote control wire
【简答题】S1:Swing out No.1 lifeboat and report.S2:No.1 lifeboat swung out.Q:What has been done?A. Entering the lifeboat. B. Swing out the lifeboat. C. Lowering the lifeboat. D. Letting go the lifeboat.
【单选题】Frapping lines are fitted to lifeboat davits to（）.
A.
secure the lifeboat in the davits when in the stowed position
B.
bring the lifeboat close along the rali in the embarkation position
C.
give the occupants a safety line when the boat is being lowered from the embarkation level
D.
reduce the swinging of the lifeboat at the embarkation level
【单选题】Lifeboat hatchets should be（）.
A.
kept in a locker
B.
secured at each end of the boat with a lanyard
C.
kept next to the boat coxswain
D.
kept in the emergency locker on the ship and brought to the lifeboat when needed
【简答题】承载能力极限状态作用组合有___________、_________、__________ 。
相关题目：
参考解析：
知识点：
题目纠错 0
发布
