单词ballast
n.: 【电】镇流电阻；镇重物；(轻气球的)沙囊；【铁路】道碴
v.: 在…上装压舱物[沙囊]；为(铁路等)铺道碴；使沉着
网络: 装底货；压载物；胶轮压路机应装有压舱
在…上装压舱物[沙囊];为(铁路等)铺道碴;使稳定,使沉着
【铁路】道碴,道圆
【电学】镇流电阻,镇流器
路基
〔电信〕镇定物,平稳器;镇流电阻
碎石
〔船〕压舱物
铺道渣
使(性格)坚定的经验[道德等],稳定因素;〔比喻〕沉着,稳定
〔交〕道碴
镇重物,压载物,压舱物,底货(石、沙等);(轻气球的)沙囊
复数：ballasts
过去分词：ballasted
现在分词：ballasting
n.weightbulkmakeweightstabilizerbalance
The ingots being weighed prior to melting for pouring into the lower keel, to ensure accurate ballasting.
正在权衡的铝锭融化之前的涌入较低龙骨，以确保准确压。
Be responsible for all matters relating to cargo loading, storage, transfer, offloading and ballasting.
负责有关的所有事项，货物装卸，储存，转让，剥离和压载物。
Clean ballast tanks are dedicated to ballasting operations and their contents are not mixed with fuel or oil.
意思就是不装燃油或者原油的专用压在舱。
On the issue concerning the administration of provision of ballasting water, garbage disposal and other port services for vessels.
关于为船舶提供压舱水、垃圾处理等港口服务的管理问题。
Application of tied ballasting and flexible mattress in bank revetment works
系接压载软体排在护岸工程中的应用
Development of the Ballasting Rust Remover for Freight Car Wheel-set Web Plates
货车轮对辐板抛丸除锈机的研制
Records of Ballasting Water Replenishing and plan
海上压载水换水计划及换水记录
Ballasting and sinking of mattress
柴排压载下沉
Capacity table of ballasting tank
压载水舱舱容表
A. ballasting of fuel tanks
燃油罐的压舱物