英汉双语例句-生物医药大词典

When the helium content in the tri-mixed gas excesses 75%, the arc presents the characteristic of helium.

中文意思：
氦的体积分大于75%时，其电弧形成具有氦弧的性质。

以下为相关句子列表(点击查看，可以看对应的解释）：

	When the heart is hard and parched up, come upon me with a shower of mercy.			在我的心坚硬焦躁的时候，请洒我以慈霖。
	When the heart is near, even what is far away is close at hand.			只要心是近的，再远的距离也是近的。
	When the heat source over the Bay of Bengal was abnormally strong (weak), the southern Asian high extended westward (eastward), and the western Pacific subtropical high extended eastward (westward), and the Indian summer monsoon was stronger (weaker), and			当孟加拉湾热源异常强（弱）时，南亚高压偏西（东），西太平洋副热带高压位置偏东（西）；印度夏季风偏强（弱），东亚热带季风偏弱（强）。
	When the helicopter has classified and localized the threat platform, data is sent via Link to the parent ship for a surface-to-surface prosecution.			当直升机分类和定位威胁平台时，数据从链路发送到其父级平台作为舰对舰任务。
	When the helicopter is inverted, add enough negative pitch to support the helicopter, and remove the Aft cyclic control.			当直升机到达最高点成为倒飞姿态时，增加负螺距使直升机的高度不会下降，将升降舵回到中立点。
	When the helium content in the tri-mixed gas excesses 75%, the arc presents the characteristic of helium.			氦的体积分大于75%时，其电弧形成具有氦弧的性质。
	When the helium content is less than 45%, the character of tri-mixed gas has no evident difference compared with that of argon.			混合气体中氦气的体积百分比小于45%时，其电弧特性与氩弧差别不大。
	When the herring and orcas made their debut in this fjord almost two decades ago, their arrival took the small town of Tysfjord by surprise.			鲱鱼和虎鲸的踪迹于将近廿年前首度出现在这个峡湾，当时牠们的到来让这个提斯峡湾旁的小镇大吃一惊。
	When the high pressure mercury lamp, high pressure sodium lamp and Matallic Halide lamp is selected by custom who need equip relevant flameproof ballast box.			用户采用高压汞灯、高压钠灯、金属卤化物灯光源时，须配套相应的隔爆型镇流器箱。
	When the hippocampus is impaired, patients become unable to hold factual memories for longer than about one minute.			海马一旦受损，病患就无法记住事件超过约莫一分钟。
	When the horse had finished the race, its sides were wet with foam.			这匹马结束比赛时，它的脊背被汗水湿透了。