Y - shaped stick with elastic between the arms ; used to propel small stones.

一种Y形的小木棍,上边两丫之间有一条橡皮筋; 常用来射出小石块(以攻击别人).

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The Y - shaped way connection pipe is an important part in the system of pipes.

Y形三通管接头在管道系统中是最常用的连接部件之一.

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Trilobal polycarbosilane ( PCS ) fibers were prepared by melt spinning PCS precursor through Y shaped spinneret.

以聚碳硅烷 ( PCS ) 为原料,采用熔融纺丝制备三叶型PCS纤维后,经不熔化和烧成制得三叶型碳化硅纤维.

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