on sundry occasions造句

• On sundry occasions he had criticized the new policy
  他曾在各种场合批评新政策。
• We can see the rich man on sundry occasions
  我们能在各种场合见到那个富豪。
• This model used on sundry occasions will release oxygen about 3 liters per minute , total oxygen supply greater than 30 liters
  每分钟释放3升左右的氧，总供氧量大于30升，用于各种场合下的供氧。