hold down spring

基本解釋

A base plate secured to one end of the baseboard supports (1) a pair of swivel-mounted hold-down arms and hold-down pads having swivel-mounted, spring-urged pads;
基地板固定在一個(gè)基板支持結(jié)束（1）一對(duì)旋轉(zhuǎn)式持有，放下武器并按住向下墊有旋轉(zhuǎn)式，彈簧墊要求；
The local agriculture and food authorities hold that seasonal factors are behind the rocketing price. Pork belly sales are brisk between March and September while supplies always slow down in spring.
該國(guó)農(nóng)業(yè)食品部認(rèn)為，五花肉價(jià)格暴漲的主要原因是：3-9月是五花肉的暢銷(xiāo)期，而春天是豬肉供貨量大幅減少的季節(jié)。
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