用“GY”造句大全，GY造句

為了更好的演示幾何關學實驗的，GY—II激光光學演示儀被研製出來了。

GY-3 depressant is added to Jingan crude oil and Wuqi crude oil individually and on-site test is made in Jingma pipeline.

We use cold-forming, hot-striking and cutting to produce the products. The products registering trade mark is GY.

工藝採用冷鍛、熱打、切削，GY為本廠產品的註冊商標。

從鴨梨、蘋果、棗、葡萄等水果的果皮中篩選出了一株適於鴨梨酒釀造的酵母菌，命名為GY。