英汉双语例句-生物医药大词典

When need to install two respiration valves, the two valves should be symmetrical distributed with the center line of the tank.

中文意思：
当需要安装两个呼吸阀时两阀应以罐中心线对称分布。

以下为相关句子列表(点击查看，可以看对应的解释）：

	When necessary, the State Council may make a suggestion to the Central Military Commission that it decide to dispatch troops of the People's Liberation Army to help perform the martial law tasks.			必要时，国务院可以向中央军事委员会提出，由中央军事委员会决定派出人民解放军协助执行戒严任务。
	When necessary, the flood control headquarters may, subject to the decision of people's governments of cities , establish city district agencies under the construction departments with responsibility for handling routine duties of flood control and flood			必要时，经城市人民政府决定，防汛指挥机构也可以在建设行政主管部门设城市市区办事机构，在防汛指挥机构的统一领导下，负责城市市区的防汛抗洪日常工作。
	When necessary, they also take a careful look at the patient's excrement.			必要时，他们还会查看病人的排泄物。
	When necessary, they may conduct site inspection of an insurance company or entrust a specialized intermediary institution to do so.			必要时，可以对保险公司进行现场检查或者委托专业中介机构进行现场检查。
	When need to adjust cutting depth, get teacher's permission first, then stop planer and adjust it.			调整切削用量须征得实习指导教师的同意后停车调节。
	When need to install two respiration valves, the two valves should be symmetrical distributed with the center line of the tank.			当需要安装两个呼吸阀时两阀应以罐中心线对称分布。
	When negotiating order priority, the suppliers Steve met with were hard as nails.			在交涉订单的优先顺序时，史提夫碰见的供应商态度强硬，不愿让步。
	When never sang my songon the stage on my own.			当我唱歌时，总是一个人站在舞台上。
	When never sang my songs on the stage on my own.			当我唱歌时，总是一个人站在舞台上。
	When new conditions arose and the peasantry rose angrily with them, it was necessary that Chiang Kai-shek try to understand both the conditions and the emotions of the peasantry.			当出现了新的局面，激愤的农民起来的时候，蒋介石本当理解这种新局面和农民的激愤之情；但这两件事他都没有做到。
	When new math was introduced into schools, many parents were perplexed by it.			当学校开设新的数学课时，许多家长对此感到迷惑不解。