bulb forms

• 菌丝球体

bulb forms的用法和样例：

例句

1. The fluctuation ball ball valve's spheroid free supporting on the valve seat, forms the one-sided seal depending on the medium pressure, therefore cannot guarantee the seal.
   浮动球球阀的球体自由支承在阀座上，靠介质的压力形成单面密封，故不能保证密封。