英汉双语例句-生物医药大词典

When the engine runs in compression stroke and power stroke, the valves must close tightly on their seats to produce a gas-tight seal and thus prevent the gases escaping from the combustion chamber.

中文意思：
当发动机处于压缩行程和做功行程时，阀门必须紧紧地关闭以产生一个不透气的气封，以防止气体逃离燃烧室。

以下为相关句子列表(点击查看，可以看对应的解释）：

	When the employee does not show improvement within a reasonable time after the interview, the department supervisor should not wait for the completion of the three-month trial period.			在绩效面谈后，该员工仍无法在合理的期间内改善工作绩效，部门主管不必等到三个月试用期满才采取必要行动。
	When the end face and the axis is not perpendicular within5 ° ,constant face driver can work regularly.			由于使用工件中心孔定位从而提高了产品精度。
	When the enemy soldiers were crossing the river, we fell on them.			敌军正在渡河时, 我们向他们发起进攻。
	When the energy accumulation surpasses the potential barrier and reaches the expected difficulty, thus completing the process of thinking creativity.			通过超过势垒能量的蓄积，达到预定成果的难度水平，即可以完成思维创新过程。
	When the engine fails, an alarm will sound and the rotors will begin to spin down. You cannot let them spin down, else you'll crash and burn hard.			当发动机失效时，飞行会旋转着掉落并发出警告，你必须采取措施，否则就会坠毁。
	When the engine runs in compression stroke and power stroke, the valves must close tightly on their seats to produce a gas-tight seal and thus prevent the gases escaping from the combustion chamber.			当发动机处于压缩行程和做功行程时，阀门必须紧紧地关闭以产生一个不透气的气封，以防止气体逃离燃烧室。
	When the enormous magma chamber at Santorini finally collapsed to form the existing caldera, enormous tsunamis (tidal waves) spread outward in all directions.			圣多里尼火山的巨大岩浆房最后倒塌，形成了现有的喷火山口，巨大的海啸（潮汐波）向各个方面向外伸展。
	When the environment is properly accounted for, what is good for nature is often what is good for the economy and even for individual business sectors.			如果能够适当分担对环境的责任，我们就会发现，对自然界有益的，也会同样会为经济、甚至自己的行业带来益处。
	When the equilibrium of the gunas is disturbed, the world order evolves.			根拿斯的平衡被打破，世界的秩序会发展。
	When the equipment is moved, installad and operated, appociate mesaures should be taken to prevent glass lining from contacting metal and hard articles, so that the enamle surface will not be damaged.			在搬运安装使用中应采取适当措施，避免金属物及硬件接触搪玻璃面，以防损伤瓷面。
	When the equipment is not on a steady position an audible device starts off. In this case correct platform position.			当设备处在不稳定的位置时，音频仪会启动。在这种情况下，请调整平台的位置。