英汉双语例句-生物医药大词典

If air is needed, the oxygen mask in the plane will pop down by itself.

中文意思：
如果空气缺乏，飞机内的氧气面罩会自动放下。

以下为相关句子列表(点击查看，可以看对应的解释）：

	If after 20 years it is considered necessary to prosecute a crime, the matter shall be submitted to the Supreme People's Procuratorate for examination and approval.			如果二十年以后认为必须追诉的，须报请最高人民检察院核准。
	If after all this you will not listen to me, I will punish you for your sins seven times over.			18你们因这些事若还不听从我，我就要为你们的罪加七倍惩罚你们。
	If after all this, you still snore excessively, then I suggest you go see a physician or a nose, ear and throat specialist.			如果在做了这些以后，你打鼾还是非常严重，那么我建议你去看看内科医生，或是耳鼻喉科的专家。
	If after bids good-bye the friend, then only then 2 possibilities:.			如果分手后还是朋友，那么只有2个可能:。
	If after completing a trial run but before receiving the operation license, an oil refinery operator has constructed or leased an oil storage facility that has a capacity greater than the required security stockpile and it has submitted the documents spec			石油炼制业于领得经营许可执照前，在试车完成后，如已依计画设置或租用法定安全存量以上之储油设备，并检附前项第三款规定之文件，经向中央主管机关申请核准，得销售其试车完成后所生产之石油制品。
	If air is needed, the oxygen mask in the plane will pop down by itself.			如果空气缺乏，飞机内的氧气面罩会自动放下。
	If air weren't admitted into the bell jar, the electric bell in the bell jar would not ring because of a lack of a medium.			如果我们不让空气进入铃罩，铃罩中的电铃一定会因缺少介质而不响了。
	If all attempts fail, the two parties can appeal to the organization of arbitration for foreign experts affairs in the State Administration of Foreign Experts Affairs and ask for a final arbitration.			若协商调解无效，可向国家外国专家局设立的外国文教专家事务仲裁机构申请仲裁。
	If all attendees get along, the solution is trivial.			如果所有的来宾都能融洽相处，事情很好办。
	If all economists were laid end to end, they would not reach a conclusion.			即使所有的经济学家（死后）被排成一列，他们也不会达到一个结论的吧。
	If all else fails, head for the water.			如果这样做也不奏效的话，只能借助“水”的力量了。