Requirements: Valve must be tight against reverse flow under all pressure differentials.要求: 在所有压差下,阀门对于回流的密封必须紧密.Detectives have run into a conspiracy of silence in the tight-knit communities of the peninsula.侦探们犯了难，半岛上各...
It is better to stretch the tight muscles first.最好先伸展一下僵硬的肌肉。She walked off the plane in a miniskirt and tight top.她身穿迷你裙和紧身上衣走下了飞机。He held on tight but she prised it from his fingers.他抓得很紧，但她还是掰开他的手，把它拿走了。...
Cyclohexyl nitrate is an effective cetane number improver for diesel oil.硝酸环己酯是一种有效的柴油十六烷值改进剂.The synthetic process and application cyclohexyl chloride are introduced.介绍了氯代环己烷的合成工艺及其应用.Objective Cyclohexyl acetate was sy...
一种棘齿装置把线从线轴转到梭心上。A ratchet mechanism transfers the thread from spool to bobbin.操作杆进一步弯曲，线轴发出刺耳的吱吱声。The rod bent double, the reel shrieked and ratcheted.图的纵轴the vertical axis of the graph...
a wildlife preservation order野生动物保护令Both superpowers shared the same instinct for self-preservation.两个超级大国都有自我保护的本能。The picture is in an excellent state of preservation.这幅画保存得极为完好.The speediest succor might avail to the ...