The gardener is snipping off the dead leaves in the garden.花匠在花园时剪枯叶.Snyder , a master gardener in Manatee County , Florida, says pruning wounds a plant.佛罗里达 Manatee 郡的主要园艺师MelissaSnyder说,修剪会使植株受伤.I found the gardener, a...
当压力改变时,阀帽容易上下移动.Bonnet tendency to move up or down as pressure changes.阀帽: 不需要将阀门从管路中拆除,就可以进入维护铰链和阀瓣.Cap: permits access to hinge and disc without removing valve from line.止回阀标签通常安置在阀帽的边缘上.Check valve tags are typically ...
These are inherent and apparently permanent and can be propagated vegetatively.这些具有内在的和明显的遗传性,并可以无性繁殖.Conservative ideas, based on history and tradition were emphasized and propagated.基于历史和传统的保守思想得到了加强和宣传.A " vegetative ...