lower-limit speed regulator 调速器调速下限
"There is a horse race between the economic recovery doing its job and lower-quality properties heading for obsolescence," says one regulator.
“有一场比赛正在进行，一方是履行职责的经济复苏，另一方是行将没落的低质房产。”一家监管机构说。
The primary function of a regulator is to reduce high-pressure gas in a cylinder or process line to a lower, usable level as it passes from the cylinder to a piece of equipment.
调整器的主要功能是，当钢瓶或过程管道内的高压气体从钢瓶流向设备时，把压力降到较低的可用的水平。
JA content in the leaves and the flower buds in male-sterile line was lower than its normal variety, as endogenous pollen bourgeon regulator, JA might restrain the bourgeon of pollen.
无论是叶片还是花蕾，JA含量不育系低于可育系，JA可能作为内源的花粉萌发调节剂抑制花粉的萌发，可以认为，JA含量在不育系的降低可能与亚麻雄性不育的发生有某种联系。
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