查询词典 cultch

A male hermit crab had found a very big cultch, was then clean the shell cleaning up, has made own house.

一只公寄居蟹找到了一只很大的空贝壳，便把贝壳清理干净，做成了自己的房子。

To use the 1 style screw adjust down the screw, and until hitting cultch of the turret head to continue full change tool.

再用一字螺丝起子往下调整螺杆，直至撞开离合器六角刀塔连续换刀为止。

Cross of the two species showed hybrid weakness in both fertilization and growth, while zygotes'hatching success was similar with parental combinations, as well as the larvae survival which exist no significant with Kumamoto oyster larvae. Hybrids died numerously when metamorphosing and setting on the cultch. The survival hybrid spats grow poorly with high mortality.

杂交幼虫在受精率上存在显著劣势；但是受精卵的孵化率与纯种受精卵无显著差异；杂交幼虫在生长上也存在显著劣势；而存活率与熊本牡蛎无显著差异；杂交幼虫附着变态期间大量死亡，存活下来的稚贝生长缓慢，死亡率高。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。