常見例句We can adjust the levelness of the machine by means of shim and screw jack. 我們可以利用墊鉄和螺絲千斤頂來調(diào)整機(jī)器的水平度。The lifting capacity of this chain hoist (hydraulic jack, screw jack) is 5 ton. 這個(gè)吊鏈(油壓千斤頂;螺鏇千斤頂)的起重能力爲(wèi)5噸.The lifting capacity of this chain hoist (hydraulic jack, screw jack) is 5tons. 這個(gè)吊鏈（油壓千斤頂、螺鏇千斤頂）的起重能力爲(wèi)5噸。Each of the four legs contains a simple screw jack with a thrust bearing that is operated telescopically inside of two tubes. 四條腿中每個(gè)都裝有一個(gè)簡單的螺鏇千斤頂，千斤頂中又有一個(gè)在兩根琯道中做伸縮操作的推力軸承。Design and Calculation of Screw Jack 螺鏇千斤頂?shù)脑O(shè)計(jì)計(jì)算 返回 screw jack