bulk shielding

例句：

1. 1. The company uses bulk shielding to protect its equipment from damage duringtransport.
   该公司使用大块屏蔽来保护其设备在运输过程中免受损坏。
2. 2. The engineerdesigned a bulk shielding system to improvethe efficiency of the machine.
   工程师设计了一个大块屏蔽系统，以提高机器的效率。
3. 3. Thenew technology uses bulk shielding to reduceenergy consumption and emissions.
   新技术使用大块屏蔽来减少能源消耗和排放。