环
例句与用法
- The rings are not the solid sheets they appears to be .
环并不是看上去那样的固体薄板。 - Some pistons have seating rings of metal or leather .
有些活塞上有金属或皮革的密封环。 - The expected 2+2 cycloadduct (79) was not observed .
未见到所预期的22环加成物(79) - These rings are called gyres .
这些环叫做转环。 - Two moles of epoxy react with one mole of a-1100 .
两个克分子环氧与一个克分子A1100反应。 - In multiple-ring systems very complex patterns are produced .
多环体系常产生很复杂的谱图。 - A variety of cyclopropanes are thus produced in good yield .
从而以高收率得到带各种环丙烷。 - One of the links of the chain that drives the wheels had snapped .
轮子的链条上断了只链环。 - This is the important link for problems of subsurface flow .
这是解决地下水问题的重要一环。 - The feed reactants can be alkadienes, cycloalkadienes .
所加的反应物可以是二烯烃、环二烯烃。
用"环"造句