松落的英文

• drop off
• drop-off

• 松:    pine
• 落:    fall; drop
• 松落针病:    needle-cast of conifers; needle-shedding
• 松落离合器；活动爪:    loose clutch
• 松罗酸钠:    usnic acid

例句与用法

1. Travelers , however , still nervously watch the loose rock on the mountainside s because small landslide s frequently bury sections of the road causing delays of several hours
   不过旅人仍会紧张地留意山坡上松落的岩石，因为轻微的山崩常会阻断道路，延误通行好几个小时。
2. Threaded seat rings for valves in services with high velocity ( turbulent ) flow or thermal cycling should be lock welded to the body to avoid loosening . please specify
   如果阀门用在高速流体(湍流)或热循环应用环境中，则螺纹阀座环应该锁焊到阀体上，避免松落。请在订购时加以指定说明。

其他语言

松落什么意思：sōngluò [pitch] 因失去牢固性而丢失 在翻腾的海浪中船桅有松落的危险