GTD and GTH bucket elevator machine has large throughput, high hoisting height, stable operation, long service life, etc.
GTD与GTH型斗式提升机具有输送量大、提升高度高、运行平稳、使用寿命长等特点。
The steroid hormone, produced by gonad, regulates the forming and release of GtH through feedback effect during the development and maturation of gonads in fish.
在鱼类性腺发育成熟和排放过程中，性腺产生的性类固醇激素通过反馈作用来协调脑垂体促性腺激素适量的合成与释放。
The steroid hormone, produced by gonad, regulates the forming and release of GtH through feedback effect during the development and maturation of gonads in fish.
在鱼类性腺发育成熟和排放过程中，性腺产生的性类固醇激素通过反馈作用来协调脑垂体促性腺激素适量的合成与释放。
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