constricting

adj. 压缩的, 捆绑的
动词constrict的现在分词形式

例句与用法：

A constricted throat in the air passage of a carburetor, causing a reduction in pressure that results in fuel vapor being drawn out of the carburetor bowl.

文丘里管汽化器空气通道中的一段喉管，导致压力减小从而把燃料的蒸气抽出汽化器的碗状部分

词形变化：